Question

Resolva:
(-2).(+4).(+3).(-1)=

(-5).(-6).(-2)=

2.(-3).(+6)=

(-3).5.(-7)

Answer 1

(-2).(+4).(+3).(-1)= (-8).(-3) = +24
(-5).(-6).(-2)= - 60
2.(-3).(+6)= - 36
(-3).5.(-7)= +105

Answer 2

$a)(-2).(+4).(+3).(-1)=\\(-8).(-3)=24$

$b)(-5).(-6).(-2)=\\30.(-2)=-60\\\\c)2.(-3).(+6)=\\(-6).(+6)=-36\\\\d)(-3).5(-7)=\\(-15).(-7)=105$