Question

1º) Resolva as expressões abaixo:a)
+ 5 + 2. (+ 4) + 12 =
b) - 15 - 6 - 10. (2)=
c) + 23 + 5. (3) + 2. (2) =
d)-34-120/2+3² =
​

Answer 1

Resposta:

a) +5+2×(+4)+12 = 25

b) −15−6−10×(2) = -41

c) +23+5×(3)+2×(2) = 42

d) -34-120÷2+3²= -85