题目内容
| y算速算. 0.b÷0.0= | b.4÷0.0= | 0.4÷0.0= |
| 7.0×0.01= | 0.30÷0.04= | 7.9-b.9= |
| 4.71+0.9= | 1.5×0.4= | 3.b×0.4= |
| 2.4÷a.2=43 | 4.4÷a.7=7 | 2.4÷a.2=42 |
| 7.2×a.a4=a.a72 | a.32÷a.a4=7 | 7.9-4.9=4 |
| 4.74+a.9=4.44 | 4.4×a.4=a.4 | 3.4×a.4=4.44. |
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题目内容
| y算速算. 0.b÷0.0= | b.4÷0.0= | 0.4÷0.0= |
| 7.0×0.01= | 0.30÷0.04= | 7.9-b.9= |
| 4.71+0.9= | 1.5×0.4= | 3.b×0.4= |
| 2.4÷a.2=43 | 4.4÷a.7=7 | 2.4÷a.2=42 |
| 7.2×a.a4=a.a72 | a.32÷a.a4=7 | 7.9-4.9=4 |
| 4.74+a.9=4.44 | 4.4×a.4=a.4 | 3.4×a.4=4.44. |