| Frank read 55 books last month. He read 14 books less this month. How many books did he read in the two monthes? |
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| Alan and Eric played computer game. Alan played for 55 minutes. Eric played 25 minutes more. How many minutes did they play all altogether? |
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| 234 boys attended the summer camp. There are total 587 kids in the summer camp. How many more girls than boys in the summer camp? |
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