<span>16 × u - 503 = 1097
u = (1097 + 503) / 16 =100
________________
( 2564 + 516 ) : v = 154
</span><span><span>( 2564 + 516 ) :154 = v
v=20
_____________
</span>12000 : ( w +175 ) = 24</span>
<span> w = (12 000 / 24)</span> -175
w= 325
А) х=0 у=7.5*0+45=45
у=0 0=7.5х+45
7.5х=-45
х=-45:7.5=-6
б)х=0 у=2.6*0-7.8=7.8
у=0 0=2.6х-7.8
2.6х=7.8
х=7.8:2.6=3
в)х=0 у=3.4*0-27.2=-27.2
у=0 0=3.4х-27.2
3.4х=27.2
х=27.2:3.4=8
г) х=0 у=18.1*0+36.2=36.2
у=0 0=18.1*х+36.2
18.1х=-36.2
х=-36.2:18.1=-2
1)Время 15 + 8
2)1 170 % 15 = скорость
3) Скорость * время в 1
80м=1мин
40м=Хмин
80Х=40
Х=40÷80=0,5м или 30секунд
12 = 2×2×3
18 = 2×3×3
24 = 2×2×2×3
36 = 2×2×3×3
45 = 5×3×3
64 = 2×2×2×2×2×2