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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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