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| 35+15=50， | 70-48=22， | 15×2=30， | 48÷4=12， |
| 25×4=100， | 42÷3=14， | 80÷40=2， | 11×60=660， |
| 50÷10=5， | 1×89=89， | 30×20=600， | 100÷20=5， |
| 120×5=600， | 640÷80=8， | 120÷40=3， | 560-400=160， |
| 102+24=126， | 9×50=450， | 2×3×5=30， | 72×0×5=0． |
| 完形填空。 | ||||
| Mr. John was at the window of a train in 1 . He was going to Washington, and now he was 2 . The train began moving, and an old worker 3 the window. Mr. John shouted angrily at the 6 , " I gave you my luggage (行李) an hour ago, 5 you didn't put it in the train. Why isn't it here, and where did you 6 it?" The old man smiled at Mr. John and said, "I looked 7 you here and there, but I didn't 8 you. Your luggage isn't as foolish 9 you are. You are in the wrong 10 . This one is going to New York." | ||||
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