若xy-y=5,x2-2x-9=0求y/x -1=? |
/equation/dcaa5416f3ad11f6ad9ab74aae1e1b4c.html - 2020-05-31 - 代数方程 |
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设x>0,x2+xy -12y2=0,请问
3x+y/x+2y等方令多少? |
/equation/76559a52145c85387cf91943b0c6c5b5.html - 2020-05-19 - 代数方程 |
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因式分解
-8x2y2–18xy+35 |
/equation/bb0f3170666a5fa9f4ef4067ac43e0f2.html - 2020-05-06 - 代数方程 |
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若X+y=10,则:(1)Xy的最大值为何?(2) X2+y2 的最小值为何?详解:(1) 题目想找Xy的最大值。我们要试着从已知条件X+y=10中找出Xy。X+y=10X+y)×X=10×X (等量公理,等号两边同乘以x)X2+Xy=10X |
/equation/f2b90e00b2cd7bb9bc32748a8759b082.html - 2018-11-01 - 代数方程 |
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若 2X+5y=20,试求5Xy的最大值。详解:我们要试着在 2X+5y=20中找出 5Xy。2X+5y=20(2X+5y)×X=20×X(等量公理,等号两边同乘以x)2X2+5Xy=20X |
/equation/f201fee0049f0a72964a4f9335b675a6.html - 2018-10-30 - 代数方程 |
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(8x^3y^2+5x^2y^2+5xy^2)+(4x^3y^2-3x^2y^2-3xy^2)=求解 (8x^3y^2+5x^2y^2+5xy^2)+(4x^3y^2-3x^2y^2-3xy^2)= 方程: 简化(8x3y2 + |
/equation/22bad08ccc3932d8be7c80ef8f0a3a0a.html - 2017-10-28 - 代数方程 |
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解方程x^2-6xy-y^3=(x-y)解题x^2-6xy-y^3=(x-y) 方程简化x2 + -6xy + -1y3 = (x + -1y)重新排序条件:-6xy + x2 + -1y3 = (x + -1 |
/equation/fef1b1319a4706262b459b76dc7d4ea6.html - 2017-08-27 - 代数方程 |
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解方程A=x^2-6xy-y^3解题A=x^2-6xy-y^3 方程简化A = x2 + -6xy + -1y3重新排序条件:A = -6xy + x2 + -1y3解:A = -6xy + x2 + -1 |
/equation/c8d461eb10761d52b12f325ddc70a2bc.html - 2017-08-27 - 代数方程 |
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解方程24uxy^5-22u^5y^5=解题24uxy^5-22u^5y^5= 方程简化24uxy5 + -22u5y5 = 0解:24uxy5 + -22u5y5 = 0求解变量 'u'.考虑最大 |
/equation/6283295b65aee4f3fc15dd0eb6d4d8e2.html - 2017-08-15 - 代数方程 |
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解方程5x^2+6xy+13j^2=解题5x^2+6xy+13j^2= 方程简化5x2 + 6xy + 13j2 = 0重新排序条件:13j2 + 6xy + 5x2 = 0解:13j2 + 6xy + 5 |
/equation/0ccf150d7aefee0425dfc216299f7fe9.html - 2017-08-14 - 代数方程 |
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解方程8x^3+10xy+6x^2y^5=0解题8x^3+10xy+6x^2y^5=0 方程简化8x3 + 10xy + 6x2y5 = 0重新排序条件:10xy + 6x2y5 + 8x3 = 0解:10 |
/equation/0ec16d852b0e8d6df9c190394ab1908b.html - 2017-07-08 - 代数方程 |
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在线计算-使用-查询
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