Question

Determine os produtos:
(A) (+5).(+6)
(B) (-5).(+6)
(C) (-5).(-6)
(D) ((+3).(-5).(+5)
(E) ((+1).(+1).(-1)
(F) ((-3).(-4).(+6).(+2)
(G) (-5).(-5)
(H) (-5).(-2).(-2)
(I) (+13).(-3).(+4)
(J) (+1).(-2).(0)

Answer 1

a) 30
b)-30
c) 30
d) 75
e) -1
f) 144
g) 25
h) -20
i) -156
j) 0

Answer 2

(A) (+5).(+6)= +30

(B) (-5).(+6)= -30

(C) (-5).(-6)= +30

(D) (+3).(-5).(+5)= -75

(E) (+1).(+1).(-1)= -1

(F) (-3).(-4).(+6).(+2)= +144

(G) (-5).(-5)= + 25

(H) (-5).(-2).(-2)= -20

(I) (+13).(-3).(+4)= -156

(J) (+1).(-2).(0)= 0