用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.1用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.14×45 (3)2012²-2011²+2010²-2009²+2008²-.+2²-1² (4)(x+1)(x+2)(
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![用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.1用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.14×45 (3)2012²-2011²+2010²-2009²+2008²-.+2²-1² (4)(x+1)(x+2)(](/uploads/image/z/1252739-11-9.jpg?t=%E7%94%A8%E7%AE%80%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%281%29+2011%26%23178%3B-2011%C3%974020%2B2010%26%23178%3B+%282%293.14%C3%975.5%26%23178%3B-3.1%E7%94%A8%E7%AE%80%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%281%29+2011%26%23178%3B-2011%C3%974020%2B2010%26%23178%3B+%282%293.14%C3%975.5%26%23178%3B-3.14%C3%9745+%283%292012%26%23178%3B-2011%26%23178%3B%2B2010%26%23178%3B-2009%26%23178%3B%2B2008%26%23178%3B-.%2B2%26%23178%3B-1%26%23178%3B+%284%29%28x%2B1%29%28x%2B2%29%28)
用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.1用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.14×45 (3)2012²-2011²+2010²-2009²+2008²-.+2²-1² (4)(x+1)(x+2)(
用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.1
用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.14×45 (3)2012²-2011²+2010²-2009²+2008²-.+2²-1² (4)(x+1)(x+2)(x+3)(x+4)_1 请你帮我把每一题的过程都写出来
用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.1用简方法计算(1) 2011²-2011×4020+2010² (2)3.14×5.5²-3.14×45 (3)2012²-2011²+2010²-2009²+2008²-.+2²-1² (4)(x+1)(x+2)(