Respostas

2013-11-19T09:10:16-02:00
A+e = 135
0.75a = 0,60e
a = 0,60e/0.75
a = 60e/75
a = 4e/5

4e/5+e = 135
4e + 5e = 675
9e = 675
e = 675/9
e = 75

a = 4e/5
a = 4.75/5
a = 4.15
a = 60
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