问题描述:
分式的约分
18(b-a)2(2是指平方)/24(a-b)如何变成3(a-b)/4?
(x+y)2(指平方)-10(x+y)+25/(x+y)2(指平方)-25如何变成x+y-5/x+y+5?
[(x+y)^2-10(x+y)+25]/[(x+y)^2-25]
18(b-a)2(2是指平方)/24(a-b)如何变成3(a-b)/4?
(x+y)2(指平方)-10(x+y)+25/(x+y)2(指平方)-25如何变成x+y-5/x+y+5?
[(x+y)^2-10(x+y)+25]/[(x+y)^2-25]
问题解答:
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