Question

(+12):(+3)=
(+12):(-1)=
(+3).(-5)=

Answer 1

$\frac{12}{3} = 4 \\ \frac{12}{ - 1} = - 12 \\ 3 \times - 5 = - 15$

Answer 2

12/3 = 4
12/(-1) = -12
3. (-5)= -15