计算：6.2345²+0.2345²-6.2345×0.469

计算：6.2345²+0.2345²-6.2345×0.469
计算：6.2345²+0.2345²-6.2345×0.469

计算：6.2345²+0.2345²-6.2345×0.469
6.2345²+0.2345²-6.2345×0.469
=6.2345²-2x6.2345x0.2345+0.2345²
=(6.2345-0.2345)²
=6²
=36
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