2.2整式的加减(5)1.填空::1.X与-20‰X的和是( ) 2.(2X-3Y )与(X-Y)的2倍的差是( )二.一个长方形的宽为A,长比宽大1 ,那么这个长方行的周长为( )三.先化简,在求值(2)5(3A二的平
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![2.2整式的加减(5)1.填空::1.X与-20‰X的和是( ) 2.(2X-3Y )与(X-Y)的2倍的差是( )二.一个长方形的宽为A,长比宽大1 ,那么这个长方行的周长为( )三.先化简,在求值(2)5(3A二的平](/uploads/image/z/8786799-63-9.jpg?t=2.2%E6%95%B4%E5%BC%8F%E7%9A%84%E5%8A%A0%E5%87%8F%EF%BC%885%EF%BC%891.%E5%A1%AB%E7%A9%BA%EF%BC%9A%EF%BC%9A1.X%E4%B8%8E-20%E2%80%B0X%E7%9A%84%E5%92%8C%E6%98%AF%EF%BC%88+%EF%BC%89+2.%EF%BC%882X-3Y+%EF%BC%89%E4%B8%8E%EF%BC%88X-Y%EF%BC%89%E7%9A%842%E5%80%8D%E7%9A%84%E5%B7%AE%E6%98%AF%EF%BC%88+%EF%BC%89%E4%BA%8C.%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E5%BD%A2%E7%9A%84%E5%AE%BD%E4%B8%BAA%2C%E9%95%BF%E6%AF%94%E5%AE%BD%E5%A4%A71+%2C%E9%82%A3%E4%B9%88%E8%BF%99%E4%B8%AA%E9%95%BF%E6%96%B9%E8%A1%8C%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BA%EF%BC%88+%EF%BC%89%E4%B8%89.%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%9C%A8%E6%B1%82%E5%80%BC%EF%BC%882%EF%BC%895%EF%BC%883A%E4%BA%8C%E7%9A%84%E5%B9%B3)
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