科目:小学数学 来源: 题型:
| 看谁都能口算对. 70÷7= |
4×60= |
58+37= |
85-68= |
13÷3= |
| 1200-400= | 9÷9= | 45+65= | 64-18= | 80×4= |
| 16÷2= | 2000+300= | 83-8= | 150-90= | 19+36= |
| 6÷2= | 52+38= | 54-38= | 6÷3= | 83÷9= |
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科目:小学数学 来源: 题型:
怎样简便就怎样算.
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36×(
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4-
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(15-14×
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(6-
|
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科目:小学数学 来源: 题型:
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| 40 |
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