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<div style="text-align: center;"><b><span style="font-size: medium;">পাঠ ১</span></b></div><div style="text-align: center;"><b><span style="font-size: medium;">সংখ্য়া আৰু প্ৰক্ৰিয়া</span></b></div><div><span style="font-size: medium;"><span face="&quot;Open Sans&quot;, sans-serif" style="background: 0px 0px rgb(255, 255, 255); border: 0px; font-size: medium; margin: 0px; outline: 0px; padding: 0px; text-align: justify; vertical-align: baseline;">&nbsp; &nbsp;&nbsp;</span><span face="&quot;Open Sans&quot;, sans-serif" style="background: 0px 0px rgb(255, 255, 255); border: 0px; font-size: medium; margin: 0px; outline: 0px; padding: 0px; text-align: justify; vertical-align: baseline;">&nbsp;&nbsp; &nbsp;</span><span face="&quot;Open Sans&quot;, sans-serif" style="background-color: white; font-size: medium; text-align: justify;">&#x1f449;</span><b style="background: 0px 0px rgb(255, 255, 255); border: 0px; font-family: &quot;Open Sans&quot;, sans-serif; font-size: medium; margin: 0px; outline: 0px; padding: 0px; text-align: justify; vertical-align: baseline;"><a href="https://mightlearn.com/scert-class-5-maths-chapter-1-books-pdf/" style="background: 0px 0px; border: 0px; color: #263bd6; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: color 0.17s; vertical-align: baseline;">Book PDF Download</a></b></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>1. সংক্ষিপ্ত ৰূপত লিখোঁ আহাঃ</b></span></div><div><span style="font-size: medium;">(a) 800 + 80 + 9 = 889</span></div><div><span style="font-size: medium;">(b) 2000 + 200 + 20 + 2 = 2222</span></div><div><span style="font-size: medium;">(c) 600 + 0 + 30 + 1 = 631</span></div><div><span style="font-size: medium;">(d) 10000 + 6000 + 500 + 40 + 3 = 16543</span></div><div><span style="font-size: medium;">(e) 30000 + 0 + 0 + 60 + 7 = 30067</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>2. সংখ্যাত লিখোঁ আহাঃ</b></span></div><div><span style="font-size: medium;">(a) ন হাজাৰ আঠশ পাঁচ = 9805</span></div><div><span style="font-size: medium;">(b) পোন্ধৰ হাজাৰ সাতশ ন = 15709</span></div><div><span style="font-size: medium;">(c) পয়ত্ৰিশ হাজাৰ বিৰান্নব্বৈ = 35092</span></div><div><span style="font-size: medium;">(d) ঊনসত্তৰ হাজাৰ ছয়শ = 69600</span></div><div><span style="font-size: medium;">(e) দহহাজাৰ দুই = 10002</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>3. আখৰেৰে লিখাঃ</b></span></div><div><span style="font-size: medium;">(a) 15907 = পোন্ধৰ হাজাৰ ন শ সাত</span></div><div><span style="font-size: medium;">(b) 29008 = ঊনত্ৰিশ হাজাৰ আঠ</span></div><div><span style="font-size: medium;">(c) 61507 = এষষ্ঠি হাজাৰ পাঁচ শ সাত</span></div><div><span style="font-size: medium;">(d) 70091 = সত্তৰ হাজাৰ একান্নব্বৈ</span></div><div><span style="font-size: medium;">(e) 92990 = বিৰান্নব্বৈ হাজাৰ ন শ নব্বৈ</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>4. সৰুৰ পৰা ডাঙৰলৈ ক্ৰমত সজোৱাঃ</b></span></div><div><span style="font-size: medium;">(a) 723, 732, 690, 960 → 690, 723, 732, 960</span></div><div><span style="font-size: medium;">(b) 2823, 2832, 3282, 3228 → 2823, 2832, 3228, 3282</span></div><div><span style="font-size: medium;">(c) 69002, 96200, 96002, 69200 → 69002, 69200, 96002, 96200</span></div><div><span style="font-size: medium;">(d) 68625, 68256, 68652, 68265 → 68256, 68265, 68625, 68652</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b>5. ডাঙৰ পৰা সৰুলৈ লিখাঃ</b></span></div><div><span style="font-size: medium;">(a) 5236, 2365, 6325, 3652 → 6325, 5236, 3652, 2365</span></div><div><span style="font-size: medium;">(b) 69302, 96302, 69203, 96320 → 96320, 96302, 69302, 69203</span></div><div><span style="font-size: medium;">(c) 75695, 75596, 69575, 69755 → 75695, 75596, 69755, 69575</span></div><div><span style="font-size: medium;">(d) 69212, 96221, 69122, 96212 → 96221, 96212, 69212, 69122</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b>6. তলৰ অংকবোৰ ব্যৱহাৰ কৰি 5 অংকবিশিষ্ট আটাইতকৈ ডাঙৰ আৰু আটাইতকৈ সৰু সংখ্যাটো লিখাঃ</b></span></div><div><span style="font-size: medium;"><br></span></div><div><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border-color: currentcolor; border-image: none; border-style: none; border-width: medium; border: none; mso-border-alt: solid black .5pt; mso-border-themecolor: text1; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;">
 <tbody><tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">
  <td colspan="2" style="border: 1pt solid black; mso-border-alt: solid black .5pt; mso-border-themecolor: text1; padding: 0cm 5.4pt; width: 97.55pt;" valign="top" width="130">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;"><b><span face="Vrinda, &quot;sans-serif&quot;" lang="AS">অংক</span></b><b><o:p></o:p></b></span></p>
  </td>
  <td style="border-left: none; border: 1pt solid black; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-themecolor: text1; padding: 0cm 5.4pt; width: 134.65pt;" valign="top" width="180">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;"><b><span face="Vrinda, &quot;sans-serif&quot;" lang="AS">আটাইতকৈ সৰু
  সংখ্যা</span></b><b><o:p></o:p></b></span></p>
  </td>
  <td style="border-left: none; border: 1pt solid black; mso-border-alt: solid black .5pt; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-themecolor: text1; padding: 0cm 5.4pt; width: 5cm;" valign="top" width="189">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;"><b><span face="Vrinda, &quot;sans-serif&quot;" lang="AS">আটাইতকৈ ডাঙৰ
  সংখ্যা</span></b><b><o:p></o:p></b></span></p>
  </td>
 </tr>
 <tr style="mso-yfti-irow: 1;">
  <td style="border-bottom: 1pt solid black; border-color: currentcolor windowtext black black; border-left: 1pt solid black; border-right: 1pt solid windowtext; border-style: none solid solid; border-top: none; border-width: medium 1pt 1pt; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-themecolor: text1; mso-border-right-alt: solid windowtext .5pt; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 22.45pt;" valign="top" width="30">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">a)<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid windowtext .5pt; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 75.1pt;" valign="top" width="100">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">2,5,7,3,1<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 134.65pt;" valign="top" width="180">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">12357<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 5cm;" valign="top" width="189">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">75321<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="mso-yfti-irow: 2;">
  <td style="border-bottom: 1pt solid black; border-color: currentcolor windowtext black black; border-left: 1pt solid black; border-right: 1pt solid windowtext; border-style: none solid solid; border-top: none; border-width: medium 1pt 1pt; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-themecolor: text1; mso-border-right-alt: solid windowtext .5pt; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 22.45pt;" valign="top" width="30">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">b)<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid windowtext .5pt; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 75.1pt;" valign="top" width="100">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">6,0,7,2,4<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 134.65pt;" valign="top" width="180">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">2467<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 5cm;" valign="top" width="189">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">76420<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="mso-yfti-irow: 3;">
  <td style="border-bottom: 1pt solid black; border-color: currentcolor windowtext black black; border-left: 1pt solid black; border-right: 1pt solid windowtext; border-style: none solid solid; border-top: none; border-width: medium 1pt 1pt; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-themecolor: text1; mso-border-right-alt: solid windowtext .5pt; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 22.45pt;" valign="top" width="30">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">c)<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid windowtext .5pt; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 75.1pt;" valign="top" width="100">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">1,6,2,3,4<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 134.65pt;" valign="top" width="180">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">12346<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 5cm;" valign="top" width="189">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">64321<o:p></o:p></span></p>
  </td>
 </tr>
 <tr style="mso-yfti-irow: 4; mso-yfti-lastrow: yes;">
  <td style="border-bottom: 1pt solid black; border-color: currentcolor windowtext black black; border-left: 1pt solid black; border-right: 1pt solid windowtext; border-style: none solid solid; border-top: none; border-width: medium 1pt 1pt; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-themecolor: text1; mso-border-right-alt: solid windowtext .5pt; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 22.45pt;" valign="top" width="30">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">d)<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid windowtext .5pt; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 75.1pt;" valign="top" width="100">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">2,1,8,9,5<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 134.65pt;" valign="top" width="180">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">12589<o:p></o:p></span></p>
  </td>
  <td style="border-bottom: 1pt solid black; border-color: currentcolor black black currentcolor; border-left: none; border-right: 1pt solid black; border-style: none solid solid none; border-top: none; border-width: medium 1pt 1pt medium; mso-border-alt: solid black .5pt; mso-border-bottom-themecolor: text1; mso-border-left-alt: solid black .5pt; mso-border-left-themecolor: text1; mso-border-right-themecolor: text1; mso-border-themecolor: text1; mso-border-top-alt: solid black .5pt; mso-border-top-themecolor: text1; padding: 0cm 5.4pt; width: 5cm;" valign="top" width="189">
  <p align="center" class="MsoNormal" style="line-height: normal; margin-bottom: 0cm; text-align: center;"><span style="font-size: medium;">98521<o:p></o:p></span></p>
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</tbody></table><span style="font-size: medium;"><br><br></span><div><span style="font-size: medium;"><b>7. তলৰ আঁচ দিয়া অংকবোৰৰ স্থানীয় মান লিখো আহাঃ</b></span></div><div><span style="font-size: medium;">a) 1 4 6 5 1 = 4000</span></div><div><span style="font-size: medium;">b) 3 0 7 2 5 = 0</span></div><div><span style="font-size: medium;">c) 9 2 7 2 5 = 90000</span></div><div><span style="font-size: medium;">d) 8 2 7 1 1 = 80000</span></div><div><span style="font-size: medium;">e) 6 1 2 4 1 = 200</span></div><div><span style="font-size: medium;">f) 8 6 7 0 2 = 2</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b>8. সংখ্যা দুটা তুলনা কৰি খালী স্থানত উপযুক্ত &gt;, &lt; বা = চিন বহুওৱাঃ</b></span></div><div><span style="font-size: medium;">a) 38640 &lt; 48694 <span style="white-space: pre;">		</span>e) 10243 &lt; 11000</span></div><div><span style="font-size: medium;">b) 10040 &gt; 10004 <span style="white-space: pre;">		</span>f) 44232 &gt; 42432</span></div><div><span style="font-size: medium;">c) 87878 &gt; 87877 <span style="white-space: pre;">		</span>g) 32098 = 32098</span></div><div><span style="font-size: medium;">d) 60060 &lt; 60600 <span style="white-space: pre;">		</span>h) 10010 &lt; 11010</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b>9. চিন্তা কৰি খালী ঠাই পূৰ কৰাঃ</b></span></div><div><span style="font-size: medium;">a) 95072ত 9ৰ স্থানীয় মান 90000।</span></div><div><span style="font-size: medium;">b) চাৰি অংক বিশিষ্ট আটাইতকৈ সৰু সংখ্যাটো 1000 আৰু আটাইতকৈ ডাঙৰ <span style="white-space: pre;">	</span>সংখ্যাটো 9999।</span></div><div><span style="font-size: medium;">c) চাৰি অংক বিশিষ্ট আটাইতকৈ সৰু সংখ্যাটোৰ আগৰ সংখ্যাটো 999।</span></div><div><span style="font-size: medium;">d) 4,563 + 0 = 4,563&nbsp;</span></div><div><span style="font-size: medium;">e) 10,000 – 1,000 = 9,000&nbsp;</span></div><div><span style="font-size: medium;">f) চাৰি অংকবিশিষ্ট আটাইতকৈ ডাঙৰ সংখ্যাটোৰ লগত 1 যোগ কৰিলে 5 <span style="white-space: pre;">	</span>অংকবিশিষ্ট আটাইতকৈ সৰু সংখ্যাটো পোৱা যায়।</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>10. যোগ কৰাঃ</b></span></div><div><span style="font-size: medium;">a) 126 + 325 = 451</span></div><div><span style="font-size: medium;">b) 806 + 98 = 904</span></div><div><span style="font-size: medium;">c) 1761 + 179 = 1940</span></div><div><span style="font-size: medium;">d) 2007 + 2376 = 4383</span></div><div><span style="font-size: medium;">e) 1234 + 891 = 2125</span></div><div><span style="font-size: medium;">f) 9123 + 482 = 9605</span></div><div><span style="font-size: medium;">g) 7614 + 325 = 7939</span></div><div><span style="font-size: medium;">h) 18625 + 7928 = 26553</span></div><div><span style="font-size: medium;">i) 13782 + 72128 = 85910</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>11. বিয়োগ কৰাঃ</b></span></div><div><span style="font-size: medium;">a) 728 – 389 = 339</span></div><div><span style="font-size: medium;">b) 4316 – 729 = 3587</span></div><div><span style="font-size: medium;">c) 6782 – 3567 = 3215</span></div><div><span style="font-size: medium;">d) 8173 – 2954 = 5219</span></div><div><span style="font-size: medium;">e) 23921 – 3829 = 20092</span></div><div><span style="font-size: medium;">f) 26272 – 15729 = 10543</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b>12. চিন্তা কৰা আৰু কি হ’ব লিখাঃ</b></span></div><div><span style="font-size: medium;">a) 3217 + 9673 = 12890; 12890 – 9673 = 3217</span></div><div><span style="font-size: medium;">b) 7612 + 2892 = 1050; 10504 – 7612 = 2892</span></div><div><span style="font-size: medium;">c) 8292 – 6479 = 1813; 6479 + 1813 = 8292</span></div><div><span style="font-size: medium;">d) 9678 – 3859 = 5819; 3859 + 5819 = 9678</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b><span style="white-space: pre;"></span>13. সমস্যাবোৰ সমাধান কৰিবলৈ চেষ্টা কৰাঃ</b></span></div><div><span style="font-size: medium;">a) দুটা সংখ্যাৰ যোগফল 41283, তাৰে এটা 28239 হ’লে আনটো কিমান <span style="white-space: pre;">	</span>হ’ব?&nbsp;</span></div><div><span style="font-size: medium;">→ 41283 – 28239&nbsp; 13044</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;">b) 67192 আৰু 72841ৰ মাজত পাৰ্থক্য কিমান?</span></div><div><span style="font-size: medium;">→ 72841 – 67192 = 6649</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><span style="white-space: pre;"></span>c) 32721, 40621 আৰু 72901 ৰ যোগফল নিৰ্ণয় কৰা।</span></div><div><span style="font-size: medium;">→ 32721 + 40621 + 72901 = 146243</span></div><div><span style="font-size: medium;"><br></span></div><div><span style="font-size: medium;"><span style="white-space: pre;"></span>d) 28709ৰ লগত কি যোগ কৰিলে যোগফল 78239 হ’ব?</span></div><div><span style="font-size: medium;">→ 78239 - 28709 = 49530</span></div><div><span style="font-size: medium;"><b><br></b></span></div><div><span style="font-size: medium;"><b>12. বিয়োগফল চোৱা আৰু চিন্তা কৰি বাকচত সঠিক অংক বহুওৱাঃ</b></span></div><div><div class="separator" style="clear: both; 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