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一道数学化简题 (√ab-√a/b)-(√b/a-√a/b+b/a+2)
/与√形似,所以请看仔细,
人气:467 ℃ 时间:2020-05-28 01:32:32
解答
(√ab-√a/b)-(√b/a-√a/b+b/a+2)
=√ab-√a/b-√b/a+√a/b-b/a-2
=√ab-√b/a-b/a-2
=√ab-b/a-√b/a-2
=√ab-(b+√b)/a-2
=(√ab-2)-(b+√b)/a
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