Răspunsuri

2014-10-23T09:45:28+03:00
1+{2*[3+(x-4)*5]:6}*7=8
1+{2*[3+5x-20]:6}*7=8
1+{2*[5x-17]:6}*7=8
1+{(10x-34)/6}*7=8
6+(10x-34)*7=48
6+70x-238=48
70x=48+238-6
70x=280
x=280/70
x=4
8 4 8