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我有道数学题解不开46.3X0.56+5.38X5.6-1X0.056巧妙计算式
人气:122 ℃ 时间:2020-05-06 16:52:06
解答
46.3×0.56+5.38×5.6-1×0.056
=46.3×0.56+53.8×0.56-0.1×0.56
=(46.3+53.8-0.1)×0.56
=100×0.56
=56
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