vă rog frumos, faceți acest exerciți, dau Coroana

7.
3a²×3=9a²
5a⁴×5=25a⁴
8a²b²×2=16a²b²
4ab⁸×a=4a²b⁸
36a⁴b³×b=36a⁴b⁴
27a⁵b×3ab=81a⁶b²
24ab⁴×6a=144a²b⁴
72a³b³×2ab=144a⁴b⁴
8.
(V36)²=36
(V12)²=12
(V4,3)²=4,3
(V0,5)²=0,5
(Vx)²=x
(V2x)²=2x
(Vx+2y)²=x+2y
(V(x²+2y²))²=x²+2y²