Question

32. calcule o valor das expressões.
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Answer 1

a)-3+7+4

-3+11

-8

b)1+(-4)+(-6)

1-4-6

11

c)-10+20+(-8)

-10-8

-18

d)(-3)+2+(-4)+(-6)

-3+2-4-6

-13+2

-15