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2.74×0.125+1.26÷8用简便方法
人气:237 ℃ 时间:2020-04-15 07:30:13
解答
2.74×0.125+1.26÷8
=2.74×0.125+1.26×0.125
=0.125×(2.74+1.26)
=0.125×4
=0.5
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