计算下列各式:请写出过程(1)(2a-4b)²(2)(-x-2y)²(3)(a²b-ab²)²(4)a(1-a)+(a+1)²-1(5)(a-b)²+b(2a+b)(6)(2x+3)²-(x-2)²(7)(x+1)(x-1
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![计算下列各式:请写出过程(1)(2a-4b)²(2)(-x-2y)²(3)(a²b-ab²)²(4)a(1-a)+(a+1)²-1(5)(a-b)²+b(2a+b)(6)(2x+3)²-(x-2)²(7)(x+1)(x-1](/uploads/image/z/9869967-63-7.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%EF%BC%9A%E8%AF%B7%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B%EF%BC%881%EF%BC%89%EF%BC%882a-4b%EF%BC%89%26%23178%3B%EF%BC%882%EF%BC%89%EF%BC%88-x-2y%EF%BC%89%26%23178%3B%EF%BC%883%EF%BC%89%EF%BC%88a%26%23178%3Bb-ab%26%23178%3B%EF%BC%89%26%23178%3B%EF%BC%884%EF%BC%89a%EF%BC%881-a%EF%BC%89%2B%EF%BC%88a%2B1%EF%BC%89%26%23178%3B-1%EF%BC%885%EF%BC%89%EF%BC%88a-b%EF%BC%89%26%23178%3B%2Bb%EF%BC%882a%2Bb%EF%BC%89%EF%BC%886%EF%BC%89%EF%BC%882x%2B3%EF%BC%89%26%23178%3B-%EF%BC%88x-2%EF%BC%89%26%23178%3B%EF%BC%887%EF%BC%89%EF%BC%88x%2B1%EF%BC%89%EF%BC%88x-1)
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计算下列各式:请写出过程(1)(2a-4b)²(2)(-x-2y)²(3)(a²b-ab²)²(4)a(1-a)+(a+1)²-1(5)(a-b)²+b(2a+b)(6)(2x+3)²-(x-2)²(7)(x+1)(x-1
计算下列各式:请写出过程
(1)(2a-4b)²
(2)(-x-2y)²
(3)(a²b-ab²)²
(4)a(1-a)+(a+1)²-1
(5)(a-b)²+b(2a+b)
(6)(2x+3)²-(x-2)²
(7)(x+1)(x-1)(x²-1)
计算下列各式:请写出过程(1)(2a-4b)²(2)(-x-2y)²(3)(a²b-ab²)²(4)a(1-a)+(a+1)²-1(5)(a-b)²+b(2a+b)(6)(2x+3)²-(x-2)²(7)(x+1)(x-1
哎 这个社会是个实用主义社会 估计很难有人帮你详细答题的.
这都不会 -- - -,平方差啊...无语了..
一个个拆呗,这有啥好问的