三年级数学下册一《除法》商是几位数课堂作业北师大版.doc

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1商是几位数典型例题如果你参加故宫一日游活动,星星旅行社 2人需 290元,阳光旅行社 3人需 342元,大自然旅行社 4人需 452元,选择哪个旅行社更便宜?答案:2902=145(元) 3423=114(元) 4524=113(元) 答:大自然旅行社更便宜。

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