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4.7《 练习八》课件+课时练(含答案)
展开4.7 练习八
- 直接写得数。
6+40= 57+1= 9+80= 59-9= 45+4=
75-3= 83-3= 50+9= 32+6= 60+0=
2. 谁钓的鱼多些?多多少条?
3. 光明学校的学生去郊游,校长找了三辆车。
(1)①号车和②号车一共有多少个座位?
(2)②号车和③号车一共有多少个座位?
参考答案
1. 46 58 89 50 49 72 80 59 38 60
2. 28>8,猫妈妈钓的鱼多些。 28-8=20(条)
3. (1)45+30=75(个) (2)45+4=49(个)
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