Respostas

2014-05-15T23:18:15-03:00
Delta: -10*2 - 4 x 2 x (-12)
delta: 100 + 96
delta: 196


x: 10 +\- 14 ÷ 2 × 2
x': 10 + 14 ÷ 4 : 6
x": 10 - 14 ÷ 4: 1

1+6=7
1×6=6
3 2 3