S=6a^2=6*2^2=24
V=a^3=2^3=8
8400=80%
x=100%
x=10500 теңге
10500=105%
y=100%
y=10000теңге
жауабы 10000 теңге болған
1)275*33=9075
2)9075-304=8771
3)8771*27=236817
4)680:34 =20
5)236817-20=236797
А) 4*7+12=28+12=40:10=4
9*4-26=36-26=10:10=1
3*8+36=24+36=60:10=6
5*7-15=35-15=20:10=2
б)21:3+2=7+2=9*10=90
32:4-4=8-4=4*10=40
40:5+2=8+2=10*10=100
35:5-7=7-7=0*10=0
<span>A∪B = [-2;5)
</span><span>A⋂B = [-1;4)
</span><span> A\B = [-2;-1)
</span>
B\A = [4;5)
A\C = [-2;0)
(B\A)⋂(A\C) = пустое множество
(A\B)⋂(A\C) = [-2;-1)