Question

1.Efectuați:
a)
$( { - 2})^{4} + ( { - 3})^{3} + {9}^{8} \div {9}^{6} =$
b)(-3-1)•{[(-3)•4-16]:[8:(-2)]}•(-2+1)=

Va rog mult!!repede!!!

Answer 1

a) 16-27+81=-11+81=70
b) -4×(-12-16)÷(-4)×(-1)=-4×(-28)÷4
=112÷4=28

Answer 2

a) 16+27+81=124
b) -4 • [(-12-16):(-4)]• (-1) = -4 • [( -28 : (-4)] • (-1) = -4 • 7 • -1 = -28 • (-1) =
28