Question

07) Efetue os cancelamentos e calcule:
a) 16-8-4+16 4+ 8
b) - 23-7+17+6-4+7=
c) 18+4-18-47 +32-4
d) 32 - 28+12-32-62+28 +17 -
e) 27 -18 +15-2450 +167-​

Answer 1

Resposta:

a) 16 - 8 - 4 + 16 + 4 + 8

4 + 28 = 32

b) - 23 - 7 + 17 + 6 - 4 + 7

-30 + 26 = - 4

c) 18 + 4 - 18 - 47 + 32 - 4

4 - 47 + 28 = -15

d) 32 - 28 + 12 - 32 - 62 + 28 + 17

16 - 32 - 62 + 28 + 17 = -33

e) 27 - 18 + 15 - 2450 + 167

24 -2.283 = -2.259