2b根号a/b+3/a根号a立方b-(4a根号b/a+根号9ab)
2b根号a/b+3/a根号a立方b-(4a根号b/a+根号9ab)
2b根号b分之a+3/a根号a立方b-(4a根号a分之b+根号9ab)
化简(a+b-根号ab分之a根号a+b根号b)+(a-2根号a分之根号a+2)÷(a-4分之根号a)
(根号a+根号b+根号ab)^2-(根号a+根号b-根号ab)^2.化简
化简(根号a+根号b+根号ab)方-(根号a+根号b-根号ab)方
计算a+b+2根号ab/根号a+根号b-a根号b-b根号a/根号ab
(根号a的立方b -3ab+根号ab立方)/根号ab
已知根号9/4-a+(b-1/4)²=0,求(a-b)/(根号a+根号b)+(a+b-2根号ab)/(根号a-
已知根号a(根号a+根号b)=3根号b(2/3根号a+4根号b)(ab≠0).求(a-2b+根号ab)/(a+b+根号a
(根号a+根号b分之a根号b-根号ab)除以根号ab+根号a+根号b分之根号b
(a+2根号ab+b)/(a-b) 减去 {[根号a/(a+根号ab)减去 根号b/(b-根号ab)]}除以根号a/(b
根号a+根号b=根号3+根号2,根号ab=根号6+根号2,则a+b=