数学初二 通分 (1)1/a^2b,1/ab^2 (2)1/x^2-y^2,1/x^2+x
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数学初二 通分 (1)1/a^2b,1/ab^2 (2)1/x^2-y^2,1/x^2+x
数学初二
通分
(1)1/a^2b,1/ab^2 (2)1/x^2-y^2,1/x^2+xy
数学初二
通分
(1)1/a^2b,1/ab^2 (2)1/x^2-y^2,1/x^2+xy
![数学初二 通分 (1)1/a^2b,1/ab^2 (2)1/x^2-y^2,1/x^2+x](/uploads/image/z/17729515-19-5.jpg?t=%E6%95%B0%E5%AD%A6%E5%88%9D%E4%BA%8C+%E9%80%9A%E5%88%86+%281%291%2Fa%5E2b%2C1%2Fab%5E2+%282%291%2Fx%5E2-y%5E2%2C1%2Fx%5E2%2Bx)
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