14 X * 5X^2 = 70X^3
..........................
-4q(0.5q-3)+14q-5=
=-2q+12+14q-5=
=12q+7, при q=1/3
12•1/3+7=4+7=11
Ответ: 11
57600:9*60-5094*8=3 031 248
1) 57600:9=6400
2) 6400*60=384000
3) 384000-5094=378906
4) 378906*8=3 031 248
<span>(y - 0.18)*0,2=3
0.2y-0.036=3
0.2y=3+0.036
0.2y=3.036
y=3.036/0.2
y=75.9</span>