
这个数学题怎么算?
1个回答
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原式=a^2/3b^1/2÷(a^-1/2b^1/3) x (a^-1b^-1/2)^2/3 x (ba^1/2)^2/3 ( x^y表示x的y次方)
=a^(2/3+1/2)b^(1/2-1/3) x a^(-2/3)b^(-1/3) x b^(-2/3)a^(-1/3)
=a^(2/3+1/2-2/3-1/3)b^(1/2-1/3-1/3-2/3)
=a^1/6·b^(-5/6)
=a^(2/3+1/2)b^(1/2-1/3) x a^(-2/3)b^(-1/3) x b^(-2/3)a^(-1/3)
=a^(2/3+1/2-2/3-1/3)b^(1/2-1/3-1/3-2/3)
=a^1/6·b^(-5/6)
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