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1、妈妈买了3千克水果糖和4千克奶糖一共用去44元，已知1千克奶糖的价钱与2千克水果糖的价钱一样多，每千克水果糖和奶糖各多少元？

2、学校买来了大小两种不同包装的圆珠笔，大包装17盒，小包装13盒，共308支，每盒大包装比小包装的多4支，求每盒大包装和小包装各多少支？

3、王老师买了5支钢笔和15支圆珠笔，共付90元，已知1支钢笔的价钱和3支圆珠笔的价钱一样多，每支钢笔和每支圆珠笔各多少元？

4、张老师买了2千克芒果和2千克香蕉用去了14元。每千克芒果比每千克香蕉贵3元，每千克芒果和每千克香蕉多少元？

5、某剧院前排票价比后排票价要贵15元，张叔叔买了8张前排票和12张后排票，一共花了1320元，前排票价和后排票价各是多少元？

6、粮店有大米20袋，面粉50袋，共重2250千克，已知1袋大米的重量和2袋面粉的重量相等，那么一袋大米重多少千克？

7、南方果店运进苹果和雪梨一共1626千克，每箱苹果有18千克，每箱雪梨有24千克，苹果比雪梨多11箱，运进的苹果和雪梨各是多少箱？

8、1个西瓜的重量是1个苹果的12倍，小王买了2个西瓜和36个苹果，共重18千克。1个苹果重多少千克？1个西瓜重多少千克？

9、学校买来4个篮球和6个排球，共付228元，已知每个篮球比每个排球贵12 元，两种球的单价各多少元？

10、6只小猪和5只小羊共重112千克，已知2只小猪的重量等于3只小羊的重量，求每只小猪和每只小羊的重量？

11、8块达能饼干的钙含量相当于一杯牛奶的钙含量。小明早餐吃了12块饼干，喝了1杯牛奶，钙含量共计500毫克，你知道每块饼干的钙含量大约是多少毫克吗？

1 2、大队部买了12支钢笔和18支圆珠笔，共付57.60元。乙知2支钢笔的价钱和3支圆珠笔一样多，每支钢笔和每支圆珠笔各多少钱？

13、5千克香蕉与4千克苹果价钱相等，1千克苹果比1千克香蕉贵0.40元。香蕉每千克多少元？

14、甲数与乙数的和是73，甲数的4倍与乙数的6倍的和是388，甲数是多少？乙数是多少？

15、甲数比乙数多8，甲数的5倍与乙数的7倍一共是952，甲数是多少？乙数是多少？

16、如果一只小兔的重量相当于一只小狗的1 /2，那么3只小狗的重量相当于（）小兔的重量；8只小兔和3只小狗的重量相当于（）只小狗的重量或者相当于（）只小兔的重量。

17、如果1只梨比1只苹果重30克，那么5只梨比5只苹果重（）千克；如果把一堆水果中的4只苹果替换成4只梨，总重量会（）<增加或减少>（）克。

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