Respostas

2015-11-11T19:28:03-02:00
A) 6/x=4/2
4x=12
x=12/4=3
2/y=3/5
3y=10
y=10/3 ou 3,333...

b)x/2=3/6
6x=6
x=6/6=1
2/4=y/3
4y=6
y=6/4=3/2
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