Question

A)(-15+4)+[-18+(-3-7+5)]

B)-1+[1+(1-1)-11

C)-1+(-2+5)+[-4+(-6+5-8)]

D)-4+5-5+4-3+9+3


VER RESPOSTAS

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Answer 1

Explicação passo-a-passo:

A) (-15+4)+[-18+(-3-7+5]=

-11+[-18-5]=

-11-23=-34

B)-1+[1+(1-1)-11=

-1+[1+0]-11=

-1+1-11=-11

C)-1+(-2+5)+[-4+(-6+5-8)=

-1+3+(-4-9)=

-1+3-13=

2-13=-11

D) -4+5-5+4-3+9+3=

9