初二数学多项式单项式计算题.第一题(a+2b+2c)×(a+2b-2c)第二题(a-b)×(a+b)×(a²+b²)第三题 一百又五分之一×九十九又五分之四 第四题 (3X-Y)×(3Y+X)-(X-Y)×(X+Y)
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![初二数学多项式单项式计算题.第一题(a+2b+2c)×(a+2b-2c)第二题(a-b)×(a+b)×(a²+b²)第三题 一百又五分之一×九十九又五分之四 第四题 (3X-Y)×(3Y+X)-(X-Y)×(X+Y)](/uploads/image/z/2982108-12-8.jpg?t=%E5%88%9D%E4%BA%8C%E6%95%B0%E5%AD%A6%E5%A4%9A%E9%A1%B9%E5%BC%8F%E5%8D%95%E9%A1%B9%E5%BC%8F%E8%AE%A1%E7%AE%97%E9%A2%98.%E7%AC%AC%E4%B8%80%E9%A2%98%EF%BC%88a%2B2b%2B2c%EF%BC%89%C3%97%EF%BC%88a%2B2b-2c%EF%BC%89%E7%AC%AC%E4%BA%8C%E9%A2%98%EF%BC%88a-b%EF%BC%89%C3%97%EF%BC%88a%2Bb%EF%BC%89%C3%97%EF%BC%88a%26%23178%3B%2Bb%26%23178%3B%EF%BC%89%E7%AC%AC%E4%B8%89%E9%A2%98+%E4%B8%80%E7%99%BE%E5%8F%88%E4%BA%94%E5%88%86%E4%B9%8B%E4%B8%80%C3%97%E4%B9%9D%E5%8D%81%E4%B9%9D%E5%8F%88%E4%BA%94%E5%88%86%E4%B9%8B%E5%9B%9B+%E7%AC%AC%E5%9B%9B%E9%A2%98+%EF%BC%883X-Y%29%C3%97%EF%BC%883Y%2BX%EF%BC%89-%EF%BC%88X-Y%EF%BC%89%C3%97%EF%BC%88X%2BY%29)
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