Question

Calcule as subtrações de acordo com o exemplo.

a) –1 – (+ 3) = b) (+ 20) – (– 30) =
c) (– 10) – (+ 13) = d) 45 – (+ 15) =
d) 25 – (– 5) = e) 50 – (+ 16) – (– 6) =
f) – 30 – (– 14) – (– 4) =

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Answer 1

Explicação passo-a-passo:

–1 – (+ 3)

-1-3

-4

(+ 20) – (– 30)

+20+30

+50

(– 10) – (+ 13)

-10-13

-23

45 – (+ 15)

45-15

30

25 – (– 5)

25+5

30

50 – (+ 16) – (– 6)

50-16+6

34+6

40

– 30 – (– 14) – (– 4)

-30+14+4

-16+4

-12