- 耗时： 0分0秒
- 题数：
- 得分：
- (666 - 324) ÷ 2 = 171
- 5 × (543 - 275) = 1340
- (309 + 151) ÷ 5 = 92
- (919 + 467) ÷ 7 = 198
- 5 × (310 - 247) = 315
- (150 - 112) ÷ 2 = 19
- 4 × (820 + 245) = 4260
- (863 + 497) ÷ 8 = 170
- 7 × (815 + 329) = 8008
- (214 + 146) ÷ 9 = 40
- (664 + 488) ÷ 3 = 384
- 5 × (875 - 293) = 2910
- (344 - 309) × 7 = 245
- (420 - 324) ÷ 3 = 32
- (585 + 558) × 6 = 6858
- (144 - 109) × 3 = 105
- (973 + 683) ÷ 8 = 207
- (389 - 161) × 9 = 2052
- 2 × (758 - 244) = 1028
- (925 + 321) ÷ 2 = 623
- (416 - 320) ÷ 4 = 24
- (127 + 107) ÷ 2 = 117
- (561 + 455) ÷ 4 = 254
- (262 - 129) ÷ 7 = 19
- (645 + 285) ÷ 6 = 155
- (236 - 216) ÷ 4 = 5
- (381 + 275) ÷ 4 = 164
- (764 + 201) ÷ 5 = 193
- 4 × (282 + 175) = 1828
- (687 - 154) × 6 = 3198
※总分：100分， 共计：30道题， 每题：3.33 分。