А=0.32
б=3.18
в=3.01
г=15.11
д=13.88
е=2.93
ж=3
з=115.973
и=0.06311
=2 1/5+6 1/3+1 7/18=2 18/90+6 30/90+
1 35/90=9 83/90
2)9p²-64=0
9p²=64
p²=64/9
p²=(8/3)²
|p|=8/3
p=±8/3
3)2y²+10y=0
2y(y+5)=0
y=0
y+5=0;y=-5
5)100-64x²=0
64x²=100
x²=(10/8)²
|x|=10/8=5/4
x=±5/4
40+x=560-220
x=560-220-40
x=300