Question

calcule:
a (-15):(-3)+7=
b 40-(-25):(-5)=
c (-16):(+4)+12=
d 18:6+(-28):(-4)=

Answer 1

A) (-15):(-3)+7=
(+5) +7 = 12

B) 40-(-25):(-5)=
40-(+5) =
40 - 5 = 35

C) (-16):(+4)+12=
(-4)+12= 8

D)18:6+(-28):(-4)=
18:6+(+7)=
3+7= 10