凑十拆十练习题

凑十法练习题9 + 5 = 8 + 6 = 9 + 9 = 7 + 6 = 8 + 4 = 6 + 9 =5 + 8 = 4 + 7 = 8 + 8 =6 + 6 = 7 + 8 = 9 + 3 =6 + 5 = 2 + 9 = 8 + 3 =9 + 2 = 8 + 5 = 5 + 7 =7 + 4 = 8 + 9 = 4 + 9 =7 + 7 = 6 + 8 = 9 + 8 =9 + 6 = 7 + 5 = 3 + 9 =5 + 9 = 7 + 9 = 8 + 7 = 拆十法练习题17 – 9 = 11 - 5 = 15 – 6 =12 – 8 = 14 – 5 = 12 – 6 =13 – 6 = 18 – 9 = 15 – 7 =13 – 4 = 12 – 5 = 14 – 7 =11 – 6 = 12 – 7 = 16 – 8 =17 – 8 = 15 – 8 = 12 – 9 =16 – 9 = 14 – 9 = 11 – 2 =13 – 8 = 11 – 9 = 15 – 9 =13 – 5 = 16 – 7 = 14 – 6 =11 – 7 = 12 – 4 = 13 – 7 =。