Question

Calcule as expressões:
a) 12-8:4 + 16:(-8) =
b) 7.8 - 12:(-3) =
c) - 3+4 :(-2)-(-3).5 =
e) (-1).5+5:(-5) - (-4) =
f) 6:(-3) +2.(-1)-20=
​

Answer 1

Resposta:

A)12-2-2

12-4

8

B)56+4

60

C)-3-2+15

-5+15

10

E)-5-1+4

-6+4

-2

F)-2-2-20

-4-20

-24