整式的除法.我马上就要去补课了.1.[(x-1)(x+2)+2]÷x2.(6an+2的次方-9an+1次方+3an-1次方)÷3an-1次方3.(x²-2xy)·9x²-(9xy三次方-12x四次方y²)÷3xy4.[(x+y)(x-y)-(x-y)²+2y(x-y
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![整式的除法.我马上就要去补课了.1.[(x-1)(x+2)+2]÷x2.(6an+2的次方-9an+1次方+3an-1次方)÷3an-1次方3.(x²-2xy)·9x²-(9xy三次方-12x四次方y²)÷3xy4.[(x+y)(x-y)-(x-y)²+2y(x-y](/uploads/image/z/3673605-21-5.jpg?t=%E6%95%B4%E5%BC%8F%E7%9A%84%E9%99%A4%E6%B3%95.%E6%88%91%E9%A9%AC%E4%B8%8A%E5%B0%B1%E8%A6%81%E5%8E%BB%E8%A1%A5%E8%AF%BE%E4%BA%86.1.%5B%EF%BC%88x-1%EF%BC%89%EF%BC%88x%2B2%EF%BC%89%2B2%5D%C3%B7x2.%EF%BC%886an%2B2%E7%9A%84%E6%AC%A1%E6%96%B9-9an%2B1%E6%AC%A1%E6%96%B9%2B3an-1%E6%AC%A1%E6%96%B9%EF%BC%89%C3%B73an-1%E6%AC%A1%E6%96%B93.%EF%BC%88x%26%23178%3B-2xy%EF%BC%89%C2%B79x%26%23178%3B-%EF%BC%889xy%E4%B8%89%E6%AC%A1%E6%96%B9-12x%E5%9B%9B%E6%AC%A1%E6%96%B9y%26%23178%3B%EF%BC%89%C3%B73xy4.%5B%EF%BC%88x%2By%EF%BC%89%EF%BC%88x-y%EF%BC%89-%EF%BC%88x-y%EF%BC%89%26%23178%3B%2B2y%EF%BC%88x-y)
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