- 耗时： 0分0秒
- 题数：
- 得分：
- 38.99 + 16.26 = 55.25
- 99.56 - 20.57 = 78.99
- 56.38 + 61.40 = 117.78
- 19.43 + 59.46 = 78.89
- 56.41 + 16.77 = 73.18
- 91.97 + 11.12 = 103.09
- 62.58 + 10.22 = 72.8
- 36.55 - 17.59 = 18.96
- 98.12 - 77.16 = 20.96
- 87.00 + 13.31 = 100.31
- 97.92 + 40.83 = 138.75
- 60.36 - 58.15 = 2.21
- 61.43 + 47.45 = 108.88
- 11.34 + 57.10 = 68.44
- 10.79 + 27.70 = 38.49
- 92.93 + 80.83 = 173.76
- 71.27 - 28.89 = 42.38
- 14.67 + 49.73 = 64.4
- 71.54 + 72.55 = 144.09
- 53.61 + 68.27 = 121.88
※总分：100分， 共计：20道题， 每题：5.00 分。