Respostas

2014-05-06T10:30:38-03:00
A melhor resposta!
2014-05-06T10:33:53-03:00
25-{12+[(7-5)-(6-4)]-10}
25-{12+[2-(2)]-10}
25-{12+[2-2]-10}
25-{12+(-10)}
25-{12-10}
25-{2}
25-2
23
3 5 3