Câu hỏi của Phạm Ngọc Quỳnh Anh

Question

a) 8 mũ 2 . 45 : 60 - (4 mũ 5 : 4 mũ 3 + 3 mũ  7 : 3 mũ  4)

Giang · Accepted Answer

$\dfrac{8^2.45}{60}-\left(\dfrac{4^5}{4^3}+\dfrac{3^7}{3^4}\right)$

$=\dfrac{8^2.45}{60}-\left(4^2+3^3\right)$

$=48-\left(4^2+3^3\right)$

$=48-\left(16+27\right)=5$Câu trả lời: $\dfrac{8^2.45}{60}-\left(\dfrac{4^5}{4^3}+\dfrac{3^7}{3^4}\right)$

$=\dfrac{8^2.45}{60}-\left(4^2+3^3\right)$

$=48-\left(4^2+3^3\right)$

$=48-\left(16+27\right)=5$

Violympic toán 6