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求y=(sinx-2)(cosx-2)的最值，及其对应的X值
2010-08-11 21:44 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2010-08-01 11:38 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2010-06-28 11:56 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2010-06-04 10:20 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2010-05-02 23:49 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2010-04-19 12:47 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2010-03-15 15:48 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2010-03-02 10:21 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2010-01-29 00:57 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2010-01-17 18:45 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2009-12-12 21:52 来自版块 -
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已知--1≤a+b≤1,1≤a-b≤3,则3a-b的取值范围是__.
2009-12-05 21:34 来自版块 -
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Many companies and consumers have already begun reforming the way __they do business .A.how B.of which C.in that D./[ 本帖最后由 Teacherhei 于 200... 全文
2009-11-13 21:16 来自版块 -
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Such good use has been __his spare time __his English has improved a lot.A,made of; that B,made of; as C.made in; that D.found in; as谢谢帮助
2009-11-12 21:20 来自版块 -
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Do island nations have advantages __other countries?A.with B.over C.upon D.from
2009-11-12 21:14 来自版块 -
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求y=(sinx-2)(cosx-2)的最值，及其对应的X值。讲讲方法。非常感谢！
2009-11-03 13:47 来自版块 -
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The city government is planning to build a new factory to deal with rubbish, but when and where to start ___ .A. hasn't been decided ... 全文
2009-10-29 21:35 来自版块 -
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--Would you please explain to me about the difference between the two words?--I'm sorry but that's ___I'm puzzled about.A .w... 全文
2009-10-27 21:09 来自版块 -
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--Have you visited the Xiangguo Temple ( ) the Song Dynasty? ... 全文
2009-10-25 21:52 来自版块 -
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一个弹簧的劲度系数是k,平均分成2半后,弹簧劲度系数如何改变？十分感谢！
2009-10-19 07:26 来自版块 -
