- 耗时： 0分0秒
- 题数：
- 得分：
- 28.75 - 14.77 = 13.98
- 72.84 - 30.99 = 41.85
- 45.66 + 77.25 = 122.91
- 96.85 + 76.77 = 173.62
- 79.83 - 59.48 = 20.35
- 98.91 + 87.00 = 185.91
- 55.12 - 30.83 = 24.29
- 61.20 + 32.89 = 94.09
- 67.65 + 77.25 = 144.9
- 66.29 + 85.20 = 151.49
- 45.17 - 27.22 = 17.95
- 82.97 + 31.80 = 114.77
- 24.15 + 44.34 = 68.49
- 36.27 + 20.65 = 56.92
- 53.93 + 21.00 = 74.93
- 14.41 + 24.60 = 39.01
- 24.35 + 40.00 = 64.35
- 93.51 - 87.46 = 6.05000000000001
- 80.17 - 30.53 = 49.64
- 95.12 + 59.61 = 154.73
※总分：100分， 共计：20道题， 每题：5.00 分。