Question

CMR

43^4 + 43^5 chia hết cho 44

Answer 1

\(43^4+43^5=43^4\left(1+43\right)=43^4\cdot44⋮44\)

Đpcm

Answer 2

\(43^4+43^5\)

\(=43^4\left(1+43\right)\)

\(=43^4.44⋮44\) (có thừa số 44)

Vậy: \(43^4+43^5⋮44\)

Answer 3

\(A=43^4+43^5=43^4\left(1+43\right)=43^4.44\)

Vậy: A chia hết cho 44

Answer 4

cảm ơn nha