Question

(+10) + (-5) + (+7) +(-9 ) =____

(-15) + (+5) +(-3) + (-3 ) + (+10)=____

(-5) + (+2) + (+3)+(-1 ) =____

Answer 1

Respuesta:

(+10)+(-5)+(+7)+(-9)

10-5+7-9=3

(-15)+(+5)+(-3)+(-3)+(+10)

-15+5-3-3+10=-6

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

-5+2+3-1=-1