Question

a)-5-(-2+3 - 1)

b) 18+ (-1+8+2)

c) 20 – (+6 – 1+ 7)

d) 14 + (+7) + (-6+ 4)

e) 15 - (2 – 4) - 6​

Answer 1

Explicação passo-a-passo:

a) - 5 - (-2+3-1)= - 5 - (+1-1)= - 5 - 0= -5

b) 18 + (-1+10)= 18 + (+9)= 18 +9= 27

c) 20 - (+5+7)= 20 - ( +12)= 20 - 12=8

d) 14 +7 +( -2)= 14 +7 -2= 21-2= 19

e) 15 - ( -2) -6= 15 +2 -6= 17 -6= 11