题目内容
| 口算: 3.1+15.8+1.9= | 100-0.5= | 7.2÷1.25÷0.8= | 5.5-5.5÷5= | ||||||||
| 1.2×0.5= | 3÷7= |
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| 3.1+15.8+1.9=20.8; | 100-0.5=99.5; | 7.2÷1.25÷0.8=7.2; | 5.5-5.5÷5=4.4; | ||||||||||||||
| 1.2×0.5=0.6; | 3÷7=
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| 3 |
| 7 |
| 7 |
| 9 |
| 1 |
| 2 |
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题目内容
| 口算: 3.1+15.8+1.9= | 100-0.5= | 7.2÷1.25÷0.8= | 5.5-5.5÷5= | ||||||||
| 1.2×0.5= | 3÷7= |
|
|
| 3.1+15.8+1.9=20.8; | 100-0.5=99.5; | 7.2÷1.25÷0.8=7.2; | 5.5-5.5÷5=4.4; | ||||||||||||||
| 1.2×0.5=0.6; | 3÷7=
|
|
|
| 3 |
| 7 |
| 7 |
| 9 |
| 1 |
| 2 |