34.576.5-3456.42-123*1.45

oerico2022-10-04 11:39:542条回答

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天使实习生共回答了18个问题 | 采纳率88.9%: 34.5*76.5-345*6.42-123*1.45=2639.25-2214.9-178.35=246; 1年前

GarfieldQiu 共回答了21个问题 | 采纳率: 34.5乘76.5-345乘6.42-123乘1.45 =34.5×76.5-34.5×64.2-123×1.45 =34.5×(76.5-64.2)-123×1.45 =34.5×12.3-123×1.45 =; 1年前

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34.5*76.5-345*6.42-123*1.45的简算 七月芭比1年前3: zhenping 共回答了12个问题 | 采纳率100%

34.5*76.5-345*6.42-123*1.45
=34.5*76.5-34.5*64.2-123*1.45
=34.5*(76.5-64.2)-12.3*14.5
=34.5*12.3-12.3*14.5
=12.3*(34.5-14.5)
=12.3*20
=246

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