Correct: 3 - 2= 1, 10 - 7 = 3, 6 - 3 = 3, 6 - 1 = 5, 4 - 2 = 2, 11 - 9 = 2, Incorrect: 11 - 6 = 7, 9 - 2 = 4, 7 - 5 = 3, 6 - 6 = 1, 12 - 3 = 10,

排行榜

视觉风格

选项

切换模板

恢复自动保存: