20以内进位加法退位减法.docx

文档介绍：(1)
(2)
(3)
(4)
(5)
(6)
7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
- 8 =
- 9
16-7=
15-9=
19-9=
17-9=
15-9=
14-8=
(1) 11 +6 =
⑵ 7 + 7 =
13 + 4 = 一
10 + 8 = 一
9 + 3 = 匚
9 + 8 =
⑺ 6 + 9 =
8 + 12 =
1 + 15 = 一
3 + 14 =
11 + 8 =
5 + 9 =
17 + 2 =
16 + 3 =
4 + 7 =
8 + 8 =
7 + 13 =
1 + 10 =
6 + 1 =
17 + 2 =
9 + 5 =
6 + 5 =
1 + 6 =
3 +13 =
16 + 4 =
2 + 12 =
14 + 3 =
10 + 10 =
19 + 1 =
13 + 3 =
17 + 2 =
5 +12 =
13 + 7 =
16 + 1 =
9 + 8 =
15 + 1 =
9 +10 =
16 + 1 =
12 +1 =
13 + 6 =
8+6=.1I
12+7=
7+7=II
1+18='I
14+2=1
1+4=II
8+11=.I
17+1='I
7+1=I1
18+1='I
13+6='I
6+7=.1I
9+3=.1I
11+5='I
4+6=.1I
7+8=II
13+7=1
1+17='I
14+1=1
8+1=.1I
19-9=
13-7=
14-7=
14-7=
13-4=
13-9=
15-6=
12-6=
12-5=
15-8=
19-9=
19-9=
17-9=
12-6=
12-3=
14-7=
16-7=
12-7=
12-9=
14-4=
12-6=
19-9=
16-8=
18-8=
11-3=
19-9=
13-4=
14-9=
15-5=
14-8=
18-8=
14-7=
18-9=
11-7=
19-9=
13-6=
17-8=
14-9=
16-6=
19-9=
12-3=
12-7=
13-5=
12-7=
16-8=
16-6=
13-7=
16-9=
16-8=
17-9=
17-8=
12-8=
19-9=
14-7=
16-8=
12-2=
15-9=
15-9=
12-9=
11-1=
(1) 13 + 3 =
⑵ 4 + 7 =
17 + 2 =
19 + 1 =
16 + 3 =
(6) 7 + 3 = 「
⑺ 6 + 7 = 「
(8) 6 + 10 =
1
(9) 17 + 2 =
1
(10) 6 + 14 =
[
(11) 4 + 12 =
1
(12) 16 + 3 =
[
(13) 18 + 1 =
1
(14) 14 + 1 =
[
(15) 19 + 1 =
[
(16) 10 + 9 =
[
(17) 2 + 8 =
1
(18) 15 + 5 =
[
(19) 10 + 4 =
[
(20) 3 + 12 =
1
11 + 5 =
14 + 2 =
10 + 9 =
14 + 4 =
1 + 17 =
11 + 8 =
3 + 1 =
1 + 5 =
10 + 4 =
13 + 2 =
11 + 5 =
18 + 1 =
1 + 8 =
12 + 7 =
15 + 3 =
3 + 12 =
16 + 2 =
12 + 6 =
13 + 6 =
15 + 4 =
8+11=
9+2=
19+1=
5+8=
3+3=匚
13+2=
11+8=
17+2=
17+1=
18+1=
10+10=
10+7=
13+3=
14+5=
15+1=
11+7=
14+4=
13+5=
17+3=
10+4=
(1) 17 - 8 =
⑵ 17 - 9 =
15 - 6 =
13 - 7 =
15 - 6 =
16 - 9 =
⑺ 18 - 8 =
15 - 7 =
19 - 9 =
14 - 7 =
15 - 7 =
18 - 8 =
12 - 9 =
11 - 9 =
11 - 1