Question

calcule:

(A) -23+(-9)=


(B) -10+(18)+5=


(C) (-28) - (+13)=


(D) (-12) + (+15)=


(E) 33+12-(+6)=





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Answer 1

Resposta:

a) -32

b) 13

c) -41

d) 3

e) 39

Explicação passo-a-passo:

(A) -23+(-9)=

-23-9 = -32

(B) -10+(18)+5=

-10+18+5 = 13

(C) (-28) - (+13)=

-28-13 = -41

(D) (-12) + (+15)=

-12+15 = 3

(E) 33+12-(+6)=

33+12-6 = 39