来自焦炳旺的问题
(1)因式分解:2a(x-y)-3b(y-x)(2)因式分解:-2a3+12a2-18a(3)解方程:1−xx−2=12−x-2(4)化简:ba−b+b3a3−2a2b+ab2÷ab+b2b2−a2.
(1)因式分解:2a(x-y)-3b(y-x)
(2)因式分解:-2a3+12a2-18a
(3)解方程:1−xx−2=12−x-2
(4)化简:ba−b+b3a3−2a2b+ab2÷ab+b2b2−a2.
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2020-01-17 00:51