38.4-38.4*0.6用简便方法怎么算

abc263121072022-10-04 11:39:541条回答

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成濑川共回答了3个问题 | 采纳率66.7%: 原式=38.4×（1-0.6）=15.36; 1年前

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2.5+2.5×1.65 38.4-38.4×0.6 2.5+2.5×1.65 38.4-38.4×0.6 = = = = = = 名月清风1年前1: zzw360 共回答了17个问题 | 采纳率88.2%

2.5+2.5×1.65 38.4-38.4×0.6
=2.5X(1+1.65) = 38.4X(1-0.6)
=2.5X2.65 =38.4X 0.4
=6.625 =15.36

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