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0.3×0.25-0.2除以4(简便计算)
人气:271 ℃ 时间:2020-01-24 21:59:11
解答
0.3.×0.25-0.2×0.25=0.1×0.25=0.0250.3.×0.25-0.2×0.25=0.1×0.25=0.25我是除以4除以4等于×0.25
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