2位数减1位数 口算题打印
1.83 - 4 = 79
2.44 - 4 = 40
3.24 - 3 = 21
4.52 - 9 = 43
5.24 - 8 = 16
6.49 - 3 = 46
7.44 - 9 = 35
8.90 - 9 = 81
9.68 - 7 = 61
10.91 - 5 = 86
11.49 - 3 = 46
12.53 - 5 = 48
13.51 - 5 = 46
14.68 - 6 = 62
15.15 - 5 = 10
16.92 - 0 = 92
17.73 - 1 = 72
18.49 - 1 = 48
19.17 - 0 = 17
20.85 - 1 = 84
21.75 - 1 = 74
22.36 - 7 = 29
23.53 - 7 = 46
24.16 - 8 = 8
25.25 - 0 = 25
26.95 - 7 = 88
27.11 - 3 = 8
28.40 - 1 = 39
29.30 - 9 = 21
30.13 - 9 = 4
31.34 - 5 = 29
32.15 - 2 = 13
33.78 - 8 = 70
34.29 - 7 = 22
35.20 - 0 = 20
36.54 - 2 = 52
37.70 - 5 = 65
38.30 - 3 = 27
39.81 - 0 = 81