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77.5×0.125 0.25×1.25简算

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/18 02:58:06
77.5×0.125 0.25×1.25简算
写错啦......是77.5×0.125+0.25×1.25啊
77.5×0.125+0.25×1.25
=77.5×0.125+2.5×0.125
=0.125×(77.5+2.5)
=0.125×80
=0.125×8×10
=1×10
=10