- 耗时： 0分0秒
- 题数：
- 得分：
- 70.80 - 17.48 = 53.32
- 17.24 - 16.49 = 0.75
- 17.65 + 55.36 = 73.01
- 69.39 + 16.99 = 86.38
- 36.97 - 20.41 = 16.56
- 41.54 - 34.58 = 6.96
- 97.18 - 28.24 = 68.94
- 26.15 - 23.27 = 2.88
- 73.69 + 76.58 = 150.27
- 55.44 + 69.55 = 124.99
- 63.40 + 98.80 = 162.2
- 61.21 + 93.20 = 154.41
- 38.42 + 70.92 = 109.34
- 66.56 + 49.71 = 116.27
- 86.17 + 43.97 = 130.14
- 90.39 + 73.55 = 163.94
- 15.81 + 10.63 = 26.44
- 93.99 - 11.98 = 82.01
- 29.51 - 11.78 = 17.73
- 64.62 - 49.78 = 14.84
- 54.16 + 66.52 = 120.68
- 80.97 + 86.57 = 167.54
- 80.43 + 86.31 = 166.74
- 84.56 + 86.52 = 171.08
- 87.15 - 45.14 = 42.01
- 20.19 + 31.98 = 52.17
- 99.24 + 58.61 = 157.85
- 97.22 + 54.88 = 152.1
- 86.65 - 80.50 = 6.15000000000001
- 53.10 - 24.71 = 28.39
- 70.21 + 88.14 = 158.35
- 70.99 + 35.12 = 106.11
- 75.61 + 58.93 = 134.54
- 84.57 - 55.74 = 28.83
- 38.62 - 13.99 = 24.63
- 96.98 + 83.88 = 180.86
- 75.76 + 75.22 = 150.98
- 19.50 + 94.61 = 114.11
- 88.22 - 69.43 = 18.79
- 95.55 - 50.93 = 44.62
- 18.95 + 36.17 = 55.12
- 77.77 + 71.52 = 149.29
- 23.86 + 47.24 = 71.1
- 24.22 - 13.33 = 10.89
- 42.62 - 26.48 = 16.14
- 24.34 - 15.17 = 9.17
- 30.86 + 49.60 = 80.46
- 33.44 + 28.27 = 61.71
- 81.39 - 60.28 = 21.11
- 76.76 - 72.62 = 4.14
※总分：100分， 共计：50道题， 每题：2.00 分。