《2025年一本口算能力训练一年级数学下册人教版》

1. 口算。（建议用时6分钟）
63 - 30 =
45 - 1 =
35 - 3 =
77 - 60 =
39 - 4 =
54 - 40 =
48 - 20 =
37 - 1 =
66 - 20 =
53 - 2 =
55 - 30 =
75 - 4 =
65 - 2 =
89 - 60 =
77 - 7 =
96 - 80 =
99 - 7 =
49 - 6 =
82 - 70 =
26 - 2 =
84 - 50 =
86 - 5 =
74 - 20 =
69 - 4 =
25 - 5 =
57 - 1 =
88 - 30 =
85 - 70 =
79 - 10 =
59 - 40 =
68 - 8 =
93 - 80 =
29 - 8 =
61 - 50 =
67 - 40 =
44 - 3 =
58 - 6 =
94 - 3 =
52 - 10 =
78 - 5 =
67 - 3 =
55 - 10 =
63 - 40 =
89 - 9 =
98 - 60 =
84 - 2 =
91 - 30 =
72 - 50 =

答案： 33 44 32 17
35 14 28 36
46 51 25 71
63 29 70 16
92 43 12 24
34 81 54 65
20 56 58 15
69 19 60 13
21 11 27 41
52 91 42 73
64 45 23 80
38 82 61 22

2. 在□里填上合适的数。（建议用时2分钟）
45 - □ = 25
□ + 25 = 65
4 + □ = 86
□ - 5 = 61
75 - □ = 70
□ + 6 = 57

答案： 20 40 82
66 5 51

3. 现在停车场里已经停了（ ）辆车。（建议用时2分钟）

答案： 55