【化简】2/b√ab^5·(-3/2√a^3b)÷3√b/a(a>0,b>0)
已知a大于0,b大于0,且2√a(√a+2√b)=√b(√a+5√b),求(2a+√ab+3b)÷(3a+√ab-2b)
已知ab≠0,且实数a、b满足√a(√a+√b)=3√b(2/3√a+4√b),那么(a-5b+√ab)/(a+b+√a
a大于0,b大于0,且2√a(√a+2√b)=√b(√a+5√b),求(2a+√ab+3b)除以(3a+√ab-2b)的
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若a+b=2√ab,(a>0,b>0),求√a+b/√3a+5b的值.√a+b在分数线上面,√3a+5b下面.
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√a(√a+√b)=3√b(√a+√b)求2a+3b+√ab分之a-b+√ab的值
3ab+3b²/b(a²+2ab+b²) ×a²-b²/a-b ÷b/
a^3-a^B-aB^2+B^3=0
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已知|2a-b+1|+(3a+3/2b)=0,求代数式3ab+a/a-b÷a+3b/a-b的值,