(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,
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(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,(x^1/2-x^1
(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,
(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,
(x^1/2-x^1\2)÷(x^1/4-y^1/4)化简.分数指数幂那部分,实在不会了,
(x^1/2-y^1\2)÷(x^1/4-y^1/4)
=(x^1/4-y^1/4)(x^1/4+y^1/4)÷(x^1/4-y^1/4)
=x^1/4+y^1/4
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