Question

a)2/3.1/5=
b)-1/2.(-1/5)=
c)1/3.(-4/7)=
d)3/5.(-1/4)=
e)2/3.(-3/5)=
f)1/2.(4/7)=


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Answer 1

Resposta:

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Answer 2

a)2/3.1/5=  (2*1)/(3*5)=2/15

b)-1/2.(-1/5)=(-1*(-1))/(2*5) =1/10

c)1/3.(-4/7)=(1*(-4))/(3*7) =-4/21

d)3/5.(-1/4)=(3*(-1))/(5*4)= -3/20

e)2/3.(-3/5)= (2*(-3))/(3*5)= -6/15=-2/5

f)1/2.(4/7)= (1*4)/(2*7)=4/14=2/7