2026年口算基础训练一年级数学下册人教版第8页答案
4
4 算一算
10- 8 = 8 + 2 = 3 + (
) = 11
13- 9 = 12 - 2 = (
) + 7 = 15
14- 9 = 8 + 4 = 4 + (
) = 12
17- 7 = 8 + 8 = (
) + 6 = 10
18- 9 = 17 - 6 = (
) + 6 = 14
9- 7 = 3 + 8 = 8 + (
) = 15
16- 9 = 10 - 9 = (
) + 8 = 11
11- 9 = 10 - 6 = 8 + (
) = 16
10- 3 = 4 + 8 = 5 + (
) = 13
18- 5 = 8 + 9 = 9 + (
) = 17
19- 9 = 5 + 8 = 6 + (
) = 14
16- 3 = 14 - 9 = (
) + 8 = 12
12- 9 = 8 + 7 = (
) + 8 = 17
15- 9 = 10 - 7 = 5 + (
) = 14
8- 4 = 8 + 6 = 9 + (
) = 16
10- 6 = 9 + 8 = (
) + 9 = 12
17- 9 = 16 - 9 = 8 + (
) = 14

答案

10 - 8 = 2
8 + 2 = 10
3 + (8) = 11
13 - 9 = 4
12 - 2 = 10
(8) + 7 = 15
14 - 9 = 5
8 + 4 = 12
4 + (8) = 12
17 - 7 = 10
8 + 8 = 16
(4) + 6 = 10
18 - 9 = 9
17 - 6 = 11
(8) + 6 = 14
9 - 7 = 2
3 + 8 = 11
8 + (7) = 15
16 - 9 = 7
10 - 9 = 1
(3) + 8 = 11
11 - 9 = 2
10 - 6 = 4
8 + (8) = 16
10 - 3 = 7
4 + 8 = 12
5 + (8) = 13
18 - 5 = 13
8 + 9 = 17
9 + (8) = 17
19 - 9 = 10
5 + 8 = 13
6 + (8) = 14
16 - 3 = 13
14 - 9 = 5
(4) + 8 = 12
12 - 9 = 3
8 + 7 = 15
(9) + 8 = 17
15 - 9 = 6
10 - 7 = 3
5 + (9) = 14
8 - 4 = 4
8 + 6 = 14
9 + (7) = 16
10 - 6 = 4
9 + 8 = 17
(3) + 9 = 12
17 - 9 = 8
16 - 9 = 7
8 + (6) = 14