Question

a. (+3) (+5) =




b. (+8) (-1) =





C. (-5) (-4)= 1





d. (-1) (+78) = 7








e. (+12) (-12) =



ayuda doy corona ​

Answer 1

Explicación paso a paso:

(+3)(+5)=15

(+8)(-1)=-8

(-5)(-4)=20

(-1)(+78)=-78

(+12)(-12)=-144