《2025年灵机一动小学数学口算心算一年级上册苏教版》

1
□ + 10 = 19
8 + □ = 18
10 + □ = 16
□ + 4 = 14
□ + 5 = 15
19 - 10 =
16 - 6 =
15 - 10 =
18 - 8 =
13 - 3 =
14 - 10 =
12 - 2 =
17 - 10 =

答案： 9
10
6
10
10
9
10
5
10
10
4
10
7

2
6 + 4 + 5 =
1 + 9 + 4 =
5 + 5 + 6 =
14 - 4 + 7 =
18 - 8 + 2 =
17 - 7 + 8 =
19 - 9 + 4 =
15 - 10 + 2 =
14 - 10 + 6 =
10 + 2 - 2 =
10 + 6 + 3 =
7 + 10 - 7 =
2 + 8 - 5 =

答案： 6+4+5=15
1+9+4=14
5+5+6=16
14-4+7=17
18-8+2=12
17-7+8=18
19-9+4=14
15-10+2=7
14-10+6=10
10+2-2=10
10+6+3=19
7+10-7=10
2+8-5=5

3
19 - 10 = 9
12 - 10 = 2
18 - 8 = 10
11 - 10 = 1
15 - 10 = 5
13 - 3 = 10
16 - 0 = 16
17 - 7 - 4 = 6
16 - 6 - 7 = 3
12 - 2 + 8 = 18
8 + 10 - 8 = 10
14 - 10 - 1 = 3
11 - 1 - 9 = 1

答案： 10
10
8
10
10
3
0
6
3
18
10
3
1