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2014-08-21T08:58:06-03:00
18.000 / 40.000 x 100

0,45 x 100

45%
1 5 1
2014-08-21T09:46:53-03:00
40000=100%
4000=10%
4000x4=40%=16000
4000:2+16000=2000+16000
18000=45%