化简(√a+√b+√ab)^2-(√a+√b-√ab)^2
化简[√ab-ab/(a+√ab)]÷(√ab-a)/(a-b)
化简a+b/(√a+√b)+2ab/(a√b+b√a)
(a/a-2b)×√(a^2-4ab^2+4b^2/a)化简
数学题(a√b-b√a)/√ab化简
已知a>b>0,求证:(a-b)^2/8a < (a+b)/2 -√ab < (a-b)^2/8b
√a(√a+√b)=3√b(√a+√b)求2a+3b+√ab分之a-b+√ab的值
已知a+b=-2,ab=4,化简求值:ab(√a/b+√b/a)
[√a+(b-√ab)/(√a+√b)]/[a/(√ab+b)+b/(√ab-a)-(a+b)/√ab]=
化简∶a/a-2b×√a²b-4ab²+4b³/a(0
(a-b/根号a-根号b)-(a+b-2√ ab/√ a-√b) 求速解 3Q
已知a>b>0,化简:√a—√b分之a加b减2√ab
已知实数a,b满足√a/b(√ab+2b)=2√ab+3b,则a/b