Question

Me ajudem nessas 2 expressões POR FAVOR
a) -4³•2+(-5)•3-5³•2•4=
b) 15:√25-5•√36+4:√16-1=

Answer 1

a) −42⋅2+(−5)⋅5⋅2⋅4−42⋅2+(−5)⋅5⋅2⋅4

−42⋅2−5⋅5⋅2⋅4−42⋅2−5⋅5⋅2⋅4

2⋅4(−4−5⋅5)2⋅4(−4−5⋅5)

2⋅4(−4−25)2⋅4(−4−25)

2⋅4⋅(−29)2⋅4⋅(−29)

−232

b)5:25̅√−536̅√+4:16̅√−15:25−536+4:16−1

5:5−536̅√+4:16̅√−15:5−536+4:16−1

1−536̅√+4:16̅√−11−536+4:16−1

−5⋅6+4:4−5⋅6+4:4

−30+1−30+1

−29


Espero ter ajudado ✌