已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A. 3X:(2X+Y) B. 3X:(4X+2Y)C. X:(X+Y)D. 2X: (2X+Y0麻烦带上解题过程...谢谢
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![已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A. 3X:(2X+Y) B. 3X:(4X+2Y)C. X:(X+Y)D. 2X: (2X+Y0麻烦带上解题过程...谢谢](/uploads/image/z/13636853-53-3.jpg?t=%E5%B7%B2%E7%9F%A5%E6%9C%89%E7%90%86%E6%95%B0A%2CB%2CX%2CY%E6%BB%A1%E8%B6%B3A%2BB+%E2%89%A00%2C%E4%B8%94%EF%BC%88A%2BB%EF%BC%89%EF%BC%9A%EF%BC%88A-B%EF%BC%89%3D%EF%BC%882X%2BY%EF%BC%89%EF%BC%9A%EF%BC%88X-y%29++%E9%82%A3%E4%B9%88A%EF%BC%9A%EF%BC%88A%2BB%EF%BC%89%3D%3FA.+3X%EF%BC%9A%EF%BC%882X%2BY%EF%BC%89+B.+3X%EF%BC%9A%EF%BC%884X%2B2Y%EF%BC%89C.+X%EF%BC%9A%EF%BC%88X%2BY%EF%BC%89D.+2X%EF%BC%9A+%EF%BC%882X%2BY0%E9%BA%BB%E7%83%A6%E5%B8%A6%E4%B8%8A%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B...%E8%B0%A2%E8%B0%A2)
已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A. 3X:(2X+Y) B. 3X:(4X+2Y)C. X:(X+Y)D. 2X: (2X+Y0麻烦带上解题过程...谢谢
已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?
A. 3X:(2X+Y)
B. 3X:(4X+2Y)
C. X:(X+Y)
D. 2X: (2X+Y0
麻烦带上解题过程...谢谢
已知有理数A,B,X,Y满足A+B ≠0,且(A+B):(A-B)=(2X+Y):(X-y) 那么A:(A+B)=?A. 3X:(2X+Y) B. 3X:(4X+2Y)C. X:(X+Y)D. 2X: (2X+Y0麻烦带上解题过程...谢谢
(A-B):(A+B)=(X-y):(2X+Y) 两边加1
A-B+A+B:(A+B)=X-Y+X2+Y:2X+Y=3X:2X+Y
A:(A+B)=3X:(4X+2Y)