Respostas

2014-03-24T09:20:01-03:00
2/5+1/2-1/3=-1,0
3/4.5/6+1/2=0,81
2/3+1/4.3=1,25
3/4:1/2-2/3=-0,54
3/5+1/5:1/10=0,032
21/2+3/2.1/2=3,375
1 3 1