Câu hỏi của Nguyễn Thanh Huyền

Question

A = ( 2^71 . 3^7 - 2^71 . 5 ) : 2^73

thám tử · Accepted Answer

$A=\left(2^{71}.3^7-2^{71}.5\right):2^{73}$

$A=\dfrac{2^{71}.\left(3^7-5\right)}{2^{73}}$

$A=\dfrac{2^{71}.2182}{2^{71}.2^2}$

$A=\dfrac{2182}{4}$

$A=\dfrac{1091}{2}$Câu trả lời: $A=\left(2^{71}.3^7-2^{71}.5\right):2^{73}$

$A=\dfrac{2^{71}.\left(3^7-5\right)}{2^{73}}$

$A=\dfrac{2^{71}.2182}{2^{71}.2^2}$

$A=\dfrac{2182}{4}$

$A=\dfrac{1091}{2}$

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