Question

Calcula
a) (+3).(-2).(-1) -
b) (-2).(+2).(-3)
c) (-5).(+2).(+3)
d) (+3).(-2).(+4)​

Answer 1

a) (+3).(-2).(-1)=

3.2.1=

3.2=

6

b) (-2).(+2).(-3)=

2.2.3=

2².3=

4.3=

12

c) (-5).(+2).(+3)

-(5.2.3)=

-(10.3)=

-30

d) (+3).(-2).(+4)=

-(3.2.4)=

-(6.4)=

-24