$\frac{\frac{1}{2} \div 4 + 20}{\frac{1}{2} \times 4 + 20} = ?$

  • A
    $\frac{81}{88}$
  • B
    $2\frac{3}{11}$
  • C
    $\frac{161}{176}$
  • D
    $1$

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$\frac{2.75 \times 2.75 \times 2.75 - 2.25 \times 2.25 \times 2.25}{2.75 \times 2.75 + 2.75 \times 2.25 + 2.25 \times 2.25}$ ની કિંમત શોધો:

સાદું રૂપ આપો: $\frac{2 \frac{1}{7}-2 \frac{1}{2}}{2 \frac{1}{4}+1 \frac{1}{7}} \div \frac{1}{2+\frac{1}{2+\frac{1}{2-\frac{1}{2}}}}$

જો $a$ અને $b$ સંમેય સંખ્યાઓ હોય અને $(a-1) \sqrt{2} + 3 = b \sqrt{2} + a$ હોય,તો $(a+b)$ ની કિંમત શોધો.

જો $x=(\sqrt{2}-1)^{-1/2}$ હોય,તો $\left(x^{2}-\frac{1}{x^{2}}\right)$ ની કિંમત શોધો.

Difficult
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નીચેના સમીકરણમાં પ્રશ્નાર્થ ચિહ્ન $(?)$ ની જગ્યાએ શું આવશે?
$(23.1)^{2} + (48.6)^{2} - (39.8)^{2} = ? + 1147.69$

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