Question

Tính:

a)\(\frac{120^3}{40^3}\)

b)\(\frac{3^2}{\left(0.375\right)^2}\)

Answer 1

a) \(\frac{120^3}{40^3}=\left(\frac{120}{40}\right)^3=3^3=27\)

Answer 2

b) \(\frac{3^2}{0,375^2}=\left(\frac{3}{0,375}\right)^2=8^2=64\)

HỌC TỐT

Answer 3

Toán lớp 7???

\(a.\)\(\frac{120^3}{40^3}=\left(\frac{120}{40}\right)^3=3^3=27\)

\(b.\)\(\frac{3^2}{\left(0,375\right)^2}=\left(\frac{3}{0,375}\right)^2=8^2=64\)

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