Sum = 6: 4 + 2, 2 + 4, Sum = 9: 4 + 5, 5 + 4, Sum = 10: 3 + 7, 7 + 3, Sum = 8: 2 + 6, 6 + 2, Sum = 7: 1 + 6, 6 + 1,

Addition within 10 - Add in any order

排行榜

视觉风格

选项

切换模板

恢复自动保存: