两位数加减两位数、连加连减、加减混合
34 - 13 =
22 + 22 =
27 + 53 - 25 =
17 + 46 =
52 - 43 =
56 - 29 - 18 =
24 - 16 =
37 + 24 =
15 + 35 + 36 =
45 - 13 =
27 + 53 =
63 - 28 + 30 =
28 + 62 =
26 + 68 =
58 + 38 - 28 =
15 + 39 =
95 - 77 =
70 - 43 + 20 =
72 - 35 =
74 - 58 =
38 + 32 - 45 =
49 - 26 =
18 + 66 =
92 - 27 - 50 =
43 + 56 =
33 + 28 =
83 - 46 + 33 =
73 - 42 =
94 - 55 =
64 - 30 + 27 =
38 - 29 =
67 - 49 =
45 + 20 + 16 =
72 + 26 =
35 + 29 =
94 - 44 - 38 =
62 - 58 =
27 + 15 =
48 + 32 - 29 =
88 - 34 =
18 + 33 =
93 - 25 - 48 =
78 + 18 =
86 - 46 =
27 + 37 + 16 =
53 - 37 =
45 + 48 =
74 - 27 + 16 =
16 + 35 =
58 + 26 =
36 - 28 + 17 =
91 - 12 =
67 - 39 =
95 - 55 - 17 =

1.21
2.44
3.55
4.63
5.9
6.9
7.8
8.61
9.86
10.32
11.80
12.65
13.90
14.94
15.68
16.54
17.18
18.47
19.37
20.16
21.25
22.23
23.84
24.15
25.99
26.61
27.70
28.31
29.39
30.61
31.9
32.18
33.81
34.98
35.64
36.12
37.4
38.42
39.51
40.54
41.51
42.20
43.96
44.40
45.80
46.16
47.93
48.63
49.51
50.84
51.25
52.79
53.28
54.23