√ab-√a/b-√b/a+√b/a+a/b+2 (a>0 b>0)[根号下ab-根号下b分之a-根号下a分之b+根号下(a分之b+b分之a+2)]化简
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√ab-√a/b-√b/a+√b/a+a/b+2(a>0b>0)[根号下ab-根号下b分之a-根号下a分之b+根号下(a分之b+b分之a+2)]化简√ab-√a/b-√b/a+√b/a+a/b+2(a
√ab-√a/b-√b/a+√b/a+a/b+2 (a>0 b>0)[根号下ab-根号下b分之a-根号下a分之b+根号下(a分之b+b分之a+2)]化简
√ab-√a/b-√b/a+√b/a+a/b+2 (a>0 b>0)
[根号下ab-根号下b分之a-根号下a分之b+根号下(a分之b+b分之a+2)]
化简
√ab-√a/b-√b/a+√b/a+a/b+2 (a>0 b>0)[根号下ab-根号下b分之a-根号下a分之b+根号下(a分之b+b分之a+2)]化简
全部乘以根号ab
=ab-a-b+a+b
=ab
ab再除以根号ab(因为上面乘了根号ab,所以要除一次.)
=根号ab
化简:(√a²+a√b)/(ab-b²)-(a+√ab+b)/(a√a-b√b)
已知:a+b=-8,ab=12,b*√(b/a)+a*√(a/b)
(a- √ab -2b)分之(a - 2√ab) +(a√a + b√b)分之(a√b -b√a +b√b) 化简
已知a>b>0,求证:(a-b)^2/8a < (a+b)/2 -√ab < (a-b)^2/8b
数学题(a√b-b√a)/√ab化简
初三高一数学题一道.[√a+(b-√ab)/(√a+√b)]÷[a/(√ab+b)+b/(√ab-a)-(a+b)/√ab]
[√a+(b-√ab)/(√a+√b)]/[a/(√ab+b)+b/(√ab-a)-(a+b)/√ab]=
a b为R+ a+b+√ab的最小值
计算题[a+2√(ab) +b]/(a-b)-[a+b-2√(ab)]/(√a-√b)
谁帮我化解下面两题急![(a√a)+(a√b)]/[ab-b^2]-[(a+√ab)+b]/[(a√a)-(b√b)]
已知a>0,b>0,求证√a+√b+√ab≤a+b+1
计算[(√ab ) -ab/(a+√ab)]÷(√ab)-b/a-b
(√ab-ab/a+√ab)×√ab-b/a-b
已知a+b=5,ab=6,求√b/a+a/b
若a<b,且ab>0 ,则化简√(b/a+a/b-2)
比较(a^2+b^2)/(a+b)与√ab大小a,b是正实数
若a,b属于R,a*b>0,a+b>2√ab成立吗?
一道数学化简题 (√ab-√a/b)-(√b/a-√a/b+b/a+2)