Răspunsuri

2014-09-30T17:54:16+03:00
128-[48+6*7-(x/3+15)]/3=104
[48+42-(x/3+15)]/3=128-104
[90-(x/3+15)]/3=24
90-(x/3+15)=24*3
90-(x/3+15)=72
x/3+15=90-72
x/3+15=18
x/3=18-15
x/3=3
x=3*3
x=9

3 5 3