Question

efetue as subtração indicada

Answer 1

a) +5-3=+2
b) +10-(-7)=+10+7=17
c) -2-(-15)-(+13)= -2+15-13=+13-13= 0
d) 7-(-10)-(+6)= 7+10-6= 17-6=9
e) -17-(+10)-(-25)-(+18)=-17-10+25-18=-20

Answer 2

a) +2
b) -3
c) +10
d) +11
e) -16
f) -20