Question

a) 5 . 3 – 30 =
b) 14 – 6 . 3 =
c) 15 . 4 – 80 =
d) – 50 + 11 . 5 =
e) – 48 – 6 . 7 =
f) 35 + (– 9) . (– 4) =
g) 18 – (– 6) . (– 2) =
h) (+ 8) . (– 8) + 64 =
i) 54 + (– 6) . (+ 9) =

Answer 1

Resposta:

a primeira é _15

a segunda 24

a terceira _20

a quarta ?