Question

me ajudem pfvvv
a) 2²×(-2)³+(-3+2)+4÷2

b) 3×5+(-5+2×3) -4

c) 5²-3+4×5-3

D) 6²-18+3-4

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Answer 1

Resposta:

a) -31

b) 12

c) 39

D) 17

Explicação:

a) 2²×(-2)³+(-3+2)+4÷2 =

4×(-8)+(-3+2)+4÷2 =

4×(-8)+(-1)+4÷2 =

4×(-8)-1+4÷2 =

-32-1+2 =

-33+2 =

-31

b) 3×5+(-5+2×3)-4 =

3×5+(-5+6)-4 =

3×5+1-4 =

15+1-4 =

16-4 =

12

c) 5²-3+4×5-3 =

25-3+4×5-3 =

25-3+20-3 =

22+20-3 =

42-3 =

39

D) 6²-18+3-4 =

36-18+3-4 =

18+3-4 =

21-4 =

17