Т=11,67
З=2,5
2*11,67/2,5 - 11,67*11,67/2,5 = 23,34/2,5 - 136,1889/2,5 = 233,4/25 - 1361,889/25 = (233,4-1361,889)/25 = -1128,489/25 = -45,13956
Т=11,67
З=2,5
2*11,67/2,5 - 11,67*11,67/2,5 = 23,34/2,5 - 136,1889/2,5 = 233,4/25 - 1361,889/25 = (233,4-1361,889)/25 = -1128,489/25 = -45,13956