| 1. | Mental arithmetic competition games - 4455 miniclip games
口算比赛小游戏- 4399小游戏 |
| 2. | The developmental study of schoolpupils ' mental arithmetic ability
小学生口算能力的发展研究 |
| 3. | The experimental research on the ability of college student ' s mental arithmetic
大学生口算能力的实验研究 |
| 4. | A study of the difference in time of pupils ' mental arithmetic on addition
小学生加法口算时间的差异性研究 |
| 5. | Mental arithmetic competition games
口算比赛小游戏 |
| 6. | The developmental study of the speeds and spans of mental addition of pupils
小学生加法口算速度和广度的发展研究 |
| 7. | All these ways are correct . you may use any way you think is the fastest
这些口算方法都是正确的，你认为怎样算得快就怎样算。 |
| 8. | The results on the left and on the right are the same , which side is easier
师：左右两边的结果仍然保持不变，哪一边口算起来更简便？ |
| 9. | T : the results on the left and on the right are the same , which side is easier
师：左右两边的结果仍然保持不变，哪一边口算起来更简便？ |
| 10. | True meaning of mental arithmetic and its aberrance in the mathematics teaching of elementary school
口算的本真意义及其在小学数学教学中的异化 |
