Răspunsuri

2014-11-08T12:20:23+02:00
100*{10*[(45x-70+12)*2]-21}+17 --> 100*[10*(90x-140+24)-21]+17 --> 100*(900x-1400+240-21)+17 --> 90000x-118100+17 =25917 --> 90000x=25917+118117-->
x=1,600