Question

efetuar las siguientes adiciones

a._ (+8)+(-60)+(+16)+(+5)+(-4)

b._ (+7)+(-2)+(+9)+(+3)+(-2)

Answer 1

(+8) + (-60) + (+16) +(+5) + (-4) =
+ 8 - 60 + 16 + 5 - 4 =
- 52 + 21 - 4 =
- 31 - 4 =
- 35

(+7) + (-2) + (+9) + (+3) + (-2) =
+ 7 - 2 + 9 + 3 - 2 =
5 + 12 - 2 =
17 - 2 = 15