Question

Calcule :
a) (-25).(+22)=
b) (-11).(-20)=
c) (+5).(+26)=
d) (-7).(-12).(-10)=

Answer 1

a) (-25).(+22)= -550
b)(-11).(-20)= 220
c)(+5).(+26)= 130
d) (-7).(-12).(-10)= -840