164: 4=41-длина одной стороны
41*41=1681кв.-площадь
1.We'll go to the cinema on tuesday
2.<span>That's a good idea! We are free on evening
3.</span><span>That's a good idea! We are free on morning
</span>4.<span>l am afraid he can't.
</span><span>5.l am sorry, l can't
</span>
х - ребро куба, х³ - его объем. х³ = 2*4*8
х = ∛64 = 4 см.