Question

1. Efetue as multiplicação
a)(+2).(+1)=
5 2


B)(-5).(-3)=
6 4


C)(+3).(+14)=
5


D)(-9).(-25)=
5 36


E)(-7).(+5)=
8 3


F)(+2).(-1).(-3)=
3 2 7​

Answer 1

A: 2

B: 15

C: 42

D: 225

E: -2

F: 6