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发帖数: 417 | 1 二年级作业。不知道用加还是减法做。
1.On Saturday there were 87 people in line at the Washington Monument. It
began to rain so people got out of line. At 5:00, 27 people showed up to get
in line. How many people are in line at 5:00?
2. There were 91 people at Tabachow Beach. At noon, 24 people decided to go
home for lunch. At 4:00, 30 people showed up at the beach. How many people
were on the beach at 4:00? |
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