Respostas

2014-07-02T12:04:13-03:00
Resposta: 6
então:
6+10=16
16 x 5= 80
2 2 2
2014-07-02T12:04:16-03:00
X+10·5=80
x·5=80-10
x=70/5
x=14
Resposta=14
1 5 1