Question

-3/8×-4/3 e 7/10×5/7=

Answer 1

Respost=−38⋅(−23e7⋅2)⋅(12⋅15)⋅57=

=−38⋅(−215e7)⋅57=

=−(14⋅32)⋅(23⋅−15e7)⋅57=

=−(−120e7)⋅57=

=−(−14e7⋅15)⋅(5⋅17)=

=1/28=e^7

Explicação passo-a-passo: