Respostas

2013-10-17T15:21:12-03:00
X - 31 -1/4 = 25
x = 25/1 + 31/1 + 1/4
x = 100+124+1/4 = 225/4 = 56,25

Helio tinha 56 reais e 25 centavos
2013-10-17T15:28:23-03:00