Задача 48491 ...

vk230371874

2020-04-27 10:55:17

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3. N ( ≈ 24.69)
4. 4(2x-5)=2(8-5x)
8x-20=16-10x
8x+10x=16+20
18x=36
x=2
5[m]\frac{a+ab}{b}*\frac{ab^{2}}{a*(b+1)}=a*(1+b)*\frac{b}{b+1}=ab[/m]
3sqrt(3)*2sqrt(12)=36