三年级数学下册三《乘法》队列表演(二)习题北师大版.doc

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1队列表演(二)1计算下列各题。2列竖式计算。1213= 3214= 2411=3233= 3412= 4121=3连一连。4我们要去看电影,影院里共有 21 排座位,而且每排有 42 个座位。电影院一共有多少个座位?5超市进了 22 箱伊利酸牛奶,进的蒙牛纯牛奶的箱数是伊利酸牛奶的 12 倍,超市进了两种牛奶一共多少箱?参考答案21. 273 165 441 7262. 156 448 264 1056 408 8613. 略4. 4221=882(个)5. 2212=264(箱) 26422=286(箱)

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