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ગણિત ધોરણ 9 પ્રથમ સત્ર

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ગણિત

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bold 2 over bold 5 bold space bold અન ે bold space bold 3 over bold 7 વચ્ચેની ચાર સંમેય સંખ્યાઓ શોધો.


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-2 અને 5 વચ્ચેની છ સંમેય સંખ્યા શોધો.


પહેલી સંમેય સંખ્યા bold equals bold space fraction numerator bold minus bold 2 bold space bold plus bold space bold 5 over denominator bold 2 end fraction bold space bold equals bold space bold 3 over bold 2


બીજી સંમેય સંખ્યા  bold equals bold space fraction numerator bold minus bold 2 bold space bold plus bold space begin display style bold 3 over bold 2 end style over denominator bold 2 end fraction bold space bold equals bold space fraction numerator bold minus bold 4 bold space bold plus bold space bold 3 over denominator bold 4 end fraction bold space bold equals bold space fraction numerator bold minus bold 1 over denominator bold 4 end fraction


ત્રીજી સંમેય સંખ્યા bold equals bold space fraction numerator bold 5 bold space bold plus bold space begin display style bold 3 over bold 2 end style over denominator bold 2 end fraction bold space bold equals bold space fraction numerator bold 10 bold space bold plus bold space bold 3 over denominator bold 4 end fraction bold space bold equals bold space bold 13 over bold 4



ચોથી સંમેય સંખ્યા = fraction numerator bold minus bold 2 bold space bold plus bold space open parentheses bold minus begin display style bold 1 over bold 4 end style close parentheses over denominator bold 2 end fraction bold space bold equals bold space fraction numerator bold minus bold 8 bold space bold minus bold space bold 1 over denominator bold 8 end fraction bold space bold equals bold space fraction numerator bold minus bold 9 over denominator bold 8 end fraction bold space bold equals bold space bold minus bold 9 over bold 8



પાંચમી સંમેય સંખ્યા  bold equals bold space fraction numerator bold 5 bold space bold plus bold space begin display style bold 13 over bold 4 end style over denominator bold 2 end fraction bold space bold equals bold space fraction numerator bold 20 bold space bold plus bold space bold 13 over denominator bold 8 end fraction bold space bold equals bold space bold 33 over bold 8



છઠ્ઠી સંમેય સંખ્યા = bold equals bold space fraction numerator bold 5 bold space bold plus bold space open parentheses bold minus begin display style bold 1 over bold 4 end style close parentheses over denominator bold 2 end fraction bold space bold equals bold space fraction numerator bold 20 bold space bold minus bold space bold 1 over denominator bold 8 end fraction bold space bold equals bold space bold 19 over bold 8

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bold 2 over bold 7 bold space bold અન ે bold space bold 4 over bold 9 વચ્ચેની બે સંમેય સંખ્યાઓ શોધો.


4 અને 6 વચ્ચેની ત્રણ સંમેય સંખ્યાઓ શોધો.


3, -5 અને -3.5 સંમેય સંખ્યાઓ છે ? જો હા, તો તેને bold p over bold q સ્વરૂપમાં દર્શાવો ; જ્યાં bold p bold space bold element of bold space bold Z bold comma bold space bold q bold space bold element of bold space bold N bold.


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