题目内容
| 心算. 2.3+2.2= |
5.62-2.02= | 0.25+1.8= |
| 9.5-1.3= | 1.3-0.8= | 3.5-0.5= |
| 1.95÷3.05= | 2.3+1.6= | 5.31-2.01= |
2.3+2.2=4.5, |
5.62-2.02=3.6, |
0.25+1.8=2.05, | ||
| 9.5-1.3=8.2, | 1.3-0.8=0.5, | 3.5-0.5=3, | ||
1.95÷3.05=
|
2.3+1.6=3.9, | 5.31-2.01=3.3. |
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