Question

calcule:
a) (-2)-(-3)+(+5)

b) (+6)+(-7)-(-2)

c)-2-4-1

d)12-7+3
​

Answer 1

Resposta:

a) 6

b) 1

c) -7

d) 8

Explicação passo-a-passo:

a) (-2)-(-3)+(+5)=

-2+3+5= 6

b) (+6)+(-7)-(-2)=

6-7+2= 1

c)-2-4-1= -7

d)12-7+3= 8