化简 a²+2a分之a²•(a-2分之a²-a-2分之4 )根号c分之a²b³(a≥0,b≥0 ,c>0)根号ab分之根号a²b-根号ab²(a>0,b>0)

化简 a²+2a分之a²•(a-2分之a²-a-2分之4 )根号c分之a²b³(a≥0,b≥0 ,c>0)根号ab分之根号a²b-根号ab²(a>0,b>0)
化简 a²+2a分之a²•(a-2分之a²-a-2分之4 )
根号c分之a²b³(a≥0,b≥0 ,c>0)
根号ab分之根号a²b-根号ab²(a>0,b>0)

化简 a²+2a分之a²•(a-2分之a²-a-2分之4 )根号c分之a²b³(a≥0,b≥0 ,c>0)根号ab分之根号a²b-根号ab²(a>0,b>0)
原式=a²/a(a+2)*(a²-4)/(a-2)
=a/(a+2)*(a+2)(a-2)/(a-2)
=a/(a+2)*(a+2)
=a
原式=√[(a²b²/c²)*(bc)]
=ab√(bc)/c
原式=√(a²b/ab)-√a*√b²
=√a-b√a

(a²+2a)分之a²·[(a-2)分之a²-(a-2)分之4]
=(a²+2a)分之a²·(a-2)分之(a²-4)
=[a(a+2)]分之a²·(a-2)分之[(a+2)(a-2)]
=a
√c分之a²b³
=(√c·√c)分之(a²b³√c)<...

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(a²+2a)分之a²·[(a-2)分之a²-(a-2)分之4]
=(a²+2a)分之a²·(a-2)分之(a²-4)
=[a(a+2)]分之a²·(a-2)分之[(a+2)(a-2)]
=a
√c分之a²b³
=(√c·√c)分之(a²b³√c)
=c分之(a²b³√c)
√(ab)分之[√(a²b)-√(ab²)]
=√(ab)分之[√ab(√a-√b)]
=√a-√b

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