Question

chứng minh : vì ao 4³:2²=4² ?

Answer 1

\(4^3\div2^2=\left(2^2\right)^3\div2^2=2^6\div2^2=2^4=\left(2^2\right)^2=4^2\)

Answer 2

\(4^3:2^2=\left(2^2\right)^3:2^2=2^6:2^2=2^4=\left(2^2\right)^2=4^2\)

Answer 3

\(4^3\)\(:\)\(2^2\)\(=4^3:4\)

                             \(=4^{3-1}\)

                               \(=4^2\)

\(k\)\(mk\)\(nha!thank\)