(2√3-3√2)+√24(6-5√6)=(2√3-3√2)+6√24-5√24√6=
=2√3-3√2+6√(4.6)-5√(24.6)=2√3-3√2+12√6-5√144=
=2√3-3√2+12√6-5×12=2√3-3√2+12√6-60
<span>9*(560:у-5)=27
560:y-5=3
560:y=8
8y = 560
y=70</span>
Просто дам решение
0.6745t+0.3255t = 1t
1t - 70.9
770- 70.9 = 699.1