问题
填空题
175×83×4=83×（175×4），这是运用了______律．
答案
175×83×4，
=83×（175×4），
=83×700，
=58100；
故答案为：乘法交换律和乘法结合．
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175×83×4=83×（175×4），这是运用了______律．
175×83×4，
=83×（175×4），
=83×700，
=58100；
故答案为：乘法交换律和乘法结合．
| 完形填空。 | ||||
| Mike is a five-year-old boy. His father is 1 shop assistant. His mother is a doctor. They 2 busy with their work and have to 3 their son at home by 4 . Mike likes drawing. He often draws dogs, cocks, foxes and flowers on the floor with chalk. One afternoon his mother 5 a few brushes and a drawing book home. Mike was 6 , and he began to read the book at once. After 7 his parents were going to watch TV; he started to draw carefully at the table. "What are you 8 , Mike?"asked his mother. "God(上帝) ,"answered the boy. "But we can't see God and 9 knows what God looks like. " "When I 10 drawing, you will know about it," said the little boy. | ||||
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