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ગણિત ધોરણ 9 પ્રથમ સત્ર

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ગણિત

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સંખ્યા પદ્ધતિ

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.

Answer
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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.

    bold 2 over bold 7 bold space bold equals bold space fraction numerator bold 2 bold space bold cross times bold space bold 9 over denominator bold 7 bold space bold cross times bold space bold 9 end fraction bold space bold equals bold space bold 18 over bold 63 bold space bold અન ે bold space bold 4 over bold 9 bold space bold equals bold space fraction numerator bold 4 bold space bold cross times bold space bold 7 over denominator bold 9 bold space bold cross times bold space bold 7 end fraction bold space bold equals bold space bold 28 over bold 63


    હવે, bold 19 over bold 63 bold comma bold space bold 20 over bold 63 bold comma bold space bold 21 over bold 63 bold comma bold space bold 22 over bold 63 bold comma bold space bold 22 over bold 63 bold comma bold space bold 24 over bold 63 bold comma bold space bold 25 over bold 63 bold comma bold space bold 26 over bold 63 bold comma bold space bold 27 over bold 63  એ નવ સંમેય સંખ્યાઓ bold 18 over bold 63 bold space bold અન ે bold space bold 28 over bold 63 વચ્ચે છે.


    આમ, bold 19 over bold 63 bold space bold અન ે bold space bold 24 over bold 63  એમ બે સંખ્યાઓ bold 2 over bold 7 bold space bold અન ે bold space bold 4 over bold 9 ની વચ્ચે છે.
    Answer
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    -2 અને 5 વચ્ચેની છ સંમેય સંખ્યા શોધો.

    Answer

    • 4 અને 6 વચ્ચેની ત્રણ સંમેય સંખ્યાઓ શોધો.

    Answer

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

    Answer
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