Question

Tính giá trị biểu thức

\(E=\frac{\left(2^3\cdot5\cdot7\right)\cdot\left(5^2\cdot7^3\right)}{\left(2\cdot5\cdot7^2\right)^2}\)

Answer 1

E = \(\frac{2^3.5^3.7^4}{2^2.5^2.7^4}=\frac{2^2.2.5^2.5.7^4}{2^2.5^2.7^4}=2.5=10\)

Answer 2

\(E=\frac{2^3.5.7.5^2.7^3}{2^2.5^2.7^4}=\frac{2^3.5^3.7^4}{2^2.5^2.7^4}=2.5=10\)

Answer 3

E=\(\frac{2^3.5.7.5^2.7^3}{2^2.5^27^4}=>E=\frac{2^3.5^3.7^4}{2^2.5^27^4}=>E=2.5=10\)10