Question

1 calcule os produtos:
a) (-6)x(+3)x(-4)x(+8)=
b) (-9)x(+7)=
c) (-0,5)x(+2,4)=
d) (-12)x(+7)=
e) (+12)x(+2)=
4 6
f) (+7)x(-4)=
6 9
g) (-120)x(+46)=
h) (+34)x(-9)=
i) (-8,5)x(+3,3)=
j) (+6)x(-3)x(+7)x(-8)=

2)calcule as divisoes:
a) (+100):(-20)=
b) (-18):(+9)=
c) (-125):(+25)=
e) (+144):(+12)=
f) (-36):(+6)=
g) (+50):(+25)=

Answer 1

Resposta:

A) - 576

B)-63

C)-1,2

D)-84

E)24

F)-28

G)-5520

H)-306

I)-28,05

J)+1008

2-A) -5

B)-2

C)-5

E)+12

F-6

G)2

Explicação passo-a-passo: