小学数学一年级20以内加减法口算题大全
皮蛋配方-情人节用英语怎么说
小学数学一年级
20以内加减法口
算题大全
16-15=
2 0 - 3= 1 + 5 =
15+3=
1 7 -1 6 = 1+ 14=
9-4=
9 +1 = 9 - 8 =
5+11=
17-7=
5+1=
10-1=
12+5=
11-2=
15+1=
19-11=
10+9=
16-7=
2+15=
2 0 - 1 =
6 + 8 =
2 + 5 =
1 1 - 1 0=
2 + 6
=
1 0 + 1=
1 3 + 4=
20 - 1 =
2 + 7 =
1 5 -
1 2=
1 + 2 =
1 38
1 9 -6 =
5 +2 =
1 4- 1 =
1 3 + 7=
1 9- 4=
3 + 5=
1 7 +3 =
1 4 +3 =
3 +8 =
8 + 4 =
4 +1 2 =
1 9 - 1
8=
6 + 1 3=
1 3 - 3=
3+
1 4=
1 4 +3=
1 3 +5=
1
0 +2=
2+ 5 =
1 7 -3=
3 + 7=
1 2 -8=
9-4= 7 + 1 = 16-8=
20-13= 20 - 6 = 9+5=
17-1= 8 + 6 = 11-10=
12+3=
5+6=
13+6=
6+7=
5+2=
7+7=
12-11=
5+8=
15-5=
20-1=
18-12=
3+13=
1+19=
11+6=
2 +10=
7+13=
10-2=
17-16=
1 +8=
14+2=
1+12=
13-1=
2 38
3+3=
8+2=
8+12=
3+17=
小学数学一年级20以内加减法口算题大全
2-1= 9+9= 19-5= 20-18=
8+7= 20-3= 17-10= 5+6=
1+16= 9+1= 9+10= 6+14=
18-8= 13+2= 19-12= 17-12=
15-8= 19-16=
10-2=
18-17= 8-6= 9+6=
7-5=
16-4= 11+9= 2+12=
2+8=
14+3= 3+4= 15+5=
19-17=
6+13= 11-3= 20-15=
19-4=
5-1= 19-10= 7-1=
20-1=
10+4= 7-6= 19-16=
6-3=
5+8= 20-19= 1+8=
3
38
11+7= 9+7= 9-1=
17-9=
17-7= 18-4=
14-13= 14+3=
5+13= 13-2=
6-1= 15-2=
10-1= 12-2=
9+5= 13-1=
3+5= 12+8=
11+7= 16-5=
6+7= 12-1=
7-2= 5+3=
18-13= 15-5=
4+5= 13+4=
5-2= 15+5=
12+1= 19-16=
4+12= 14-6=
7+8= 16-6=
3+7= 11-9=
13-7= 19-18=
3+6= 20-9=
1+18= 4+11=
7+13= 1+7=
13+2= 17-8=
16-10= 5+6=
11-10= 18-16=
4 38
17-7=
2+5= 3-2= 7+10=
14-2=
18-2= 11+7= 10-8=
16-10= 5+6= 11-10= 18-16=
20-8= 20-11= 20-5= 20-18=
7+12= 9-1= 20-15= 10-9=
14+2= 14-10= 6+11= 12+7=
12-10= 14+5= 18-4= 9+8=
6+3= 16-4= 18-12= 1+17=
14+2= 4+4= 10-2= 14-6=
12-6= 12+6= 15+2= 5+13=
11-3= 2+1= 16-14= 9+6=
1+8= 4+12= 3+13= 7+6=
14-3= 18-5= 19-15= 12+1=
12-1= 18-1= 13-11= 16+1=
18-14= 18-5= 20-19= 17-5=
5 38
9-2= 16-7=
16-15= 16+4=
20-16=
10-5= 11-4= 1+8=
16-11=
17-5= 6+2= 6+10=
13-12=
13-3= 19-4= 19-18=
8+5=
6+13= 17-3= 20-6=
7-4=
1+17= 7-2= 7+3=
5-2=
14-2= 14-8= 20-15=
15+4=
17-6= 6+2= 9-4=
11-2=
16-6= 14+1= 2+5=
14-9=
18-11= 2+13= 6+8=
11-8=
2+17= 2+10= 8+12=
14+3=
8-2= 17+1= 11-9=
20-5=
18-13= 15-9= 18-15=
1+8=
19-14= 19-12= 20-13=
6
38
11-8= 2+17= 2+10=
8+12=
10+5= 18-6=
18-14= 14-8=
12-9= 11-8=
17+3= 1+3=
7+8= 8-7=
7-4= 2+5=
5-2= 14-3=
8+9= 7+12=
13-1= 9+3=
20-19= 5-1=
17-3= 12+2=
19-18= 20-15=
15-5= 12-3=
6+4= 19-8=
7+5= 18-11=
8+9= 10-4=
19-13= 3+1=
4+10= 2+3=
12-3= 19-12=
11+2= 7+4=
15-1= 9-3=
15-5= 19-9=
9+7= 15-1=
14+5= 2+11=
7 38
7+6=
8+9= 1+18= 3+15=
17+2=
6+12= 10+1= 11-5=
1+5= 6-1= 4+15= 4+4=
2+10= 17-3= 15+2= 7+10=
5+4= 13-4= 6+1= 10-9=
19-11= 14+6= 2+18= 1+12=
8+4= 1+9= 14-5= 8+1=
6-5= 18+2= 2+14= 4+7=
16-8= 10-8= 13+3= 4-1=
4+4= 7+2= 16-2= 16+4=
16-8= 10-8= 13+3= 4-1=
19-11= 6+4= 12+6= 18-5=
3+11= 17+3= 14-13= 10+9=
1+17= 6-5= 3+16= 1+6=
3+10= 17-14= 18-7= 7+10=
8 38
17-11= 10-1= 20-1=
14+1=
10-2= 19-10=
20-4= 8+11=
9-7= 15-10=
4+9= 19-1=
6+6= 14-3=
18-7= 20-13=
16+2= 3+4=
14-5= 16-2=
2+14= 20-13=
4-2= 6+8=
8-1= 20-16=
6+5= 17-13=
5+6= 11-6=
10+9= 5+8=
4+11= 18-17=
13-1= 13-2=
5+2= 4+14=
2+4= 5+3=
3+11= 13-6=
13-5= 10-9=
4+4= 5+10=
5+8= 9+6=
9 38
14-1=
17-2= 7+8= 6+3=
5+12=
5+2= 14+1= 9-2=
8+7=
11+2= 15-10= 15-4=
6-2= 4-3= 2+18= 8-2=
14-2= 14-11= 14+2= 7+2=
5+2= 4+12= 20-7= 1+19=
4+12= 9-8= 5+10= 19-14=
5+9= 20-1= 19-15= 7+1=
14-5= 6+14= 4+16= 10-3=
10-2= 7-1= 7+5= 5+10=
19-18= 6-3= 7+4= 14+6=
14-10= 16-13= 20-11= 5+2=
1+17= 13-1= 9-1= 16-14=
4+5= 3+15= 9-2= 9+11=
10-5= 12+8= 2+1= 20-14=
10 38
4+12= 9-8=
5+10= 19-14=
17-15= 4+15=
14-4= 15-2=
1+8=
14-7= 12-7= 9+5=
3+4=
19-4= 14+5= 10+7=
12+4=
5+9= 15+2= 9+4=
20-5=
12-9= 2+14= 7+2=
17+3=
19-6= 4+10= 17-3=
20-8=
20-14= 9-5= 4+12=
5+6=
1+2= 12-5= 9+6=
3+1=
9+7= 6-3= 14-13=
3+11=
1+8= 19-11= 20-4=
17-3=
10+3= 15-11= 18-16=
19-1=
10-7= 16-12= 8+3=
10+2=
7+12= 9+7= 19-15=
11
38
14+6= 13+4= 14-6= 7+9=
20-4= 14-3= 4+6= 6+2=
3+15= 11-10= 13-2=
15-11=
17+1= 14-8= 1+18=
5+12=
3+15= 11-10= 13-2=
15-11=
9+2= 1+14= 17-7=
5+9=
18-17= 4+12= 2-1=
10-5=
12+4= 12+5= 20-8=
16-7=
6+12= 18-15= 11-9=
7+1=
11-9= 7+12= 2+6=
14+3=
9+2= 4+14= 13-2=
14-6=
5+10= 14-11= 3+8=
17+2=
19-8= 18-8= 7-6=
18-15=
14-1= 16+2= 18-11=
19-16=
20-17= 7+13= 19-10=
6-1=
12 38
14-6=
17-12= 7+1= 9+3=
15-9= 10+10= 13-8= 5+9=
6-2= 3+14= 11-2= 3-2=
2+3= 15-13= 11-10= 20-10=
10-8= 16-14= 2+7= 3+11=
5+1= 15-3= 17-1= 15+3=
14-3= 5+5= 14-9= 1+7=
18-6= 19-2= 9+8= 18+2=
16-7= 9+7= 15+3= 7+8=
3+10= 12+8= 1+6= 11+4=
20-7= 10-6= 2+14= 1+17=
14+2= 10+9= 6+3= 4+11=
20-17= 7+13= 19-10= 6-1=
13 38
17-5= 6+13=
3+13= 17-11=
15-6= 14-8=
3+11= 11+1=
15-6=
12-7= 5-1= 16-13=
3+17=
10+5= 13+4= 19-11=
13+3=
4+1= 9+8= 2+5=
17-7=
20-4= 20-19= 1+6=
2+13=
18-3= 5-2= 6+7=
2+17=
5+4= 12-8= 11+8=
16-4=
9+11= 15-3= 11+4=
17-15=
12+1= 10-4= 5+4=
14-7=
18-17= 1+10= 6+8=
14-8=
13-11= 15-1= 7+10=
12+5=
7+10= 16-5= 9-3=
16-1=
11-1= 7+1= 13-9=
7+10=
3+4= 20-18= 19-1=
14
38
3+7= 18-10= 14-10=
1+17=
20-1= 18-2=
1+7= 1+14=
2+13= 13+2=
6+3= 2+15=
1+13= 6-5=
19-16= 8+8=
9+5= 5+2=
10+9= 6+13=
17-7= 9+11=
5-2= 12+7=
15-5= 16-15=
8-1= 3+14=
3+5= 9+6=
19-6= 4+12=
2+18= 20-14=
3+11= 16-11=
20-7= 10-6=
2+14= 1+17=
14+2= 17-5=
14-9= 11+1=
8+12= 18-1=
13+1= 19-4=
19-12= 13-10=
8-1= 16-4=
15 38
6+9=
6-2= 12-2= 2+10=
15-9=
10+8= 4+5= 14-13=
12+4= 3+5= 15+1= 1+2=
16-4= 3+2= 12-10= 1+15=
17-1= 18-10= 15-8= 3+3=
7+9= 8-3= 10+10= 6+10=
13-9= 14+5= 20-17= 13+7=
10-2= 11-4= 2+17= 6+5=
16-2= 17-11= 7+12= 10+9=
13-8= 15+3= 11-6= 4+3=
6+13= 14-11= 8+3= 3+1=
11-7= 2+18= 4+16= 17-3=
20-7= 4-2= 1-4= 19-11=
14-6= 8+9= 10-7= 11+4=
16 38
4+1= 15-13= 1-9=
5+6=
10+10= 10+9= 2+13=
10-4=
5+3= 3+12=
5+13= 15+3=
9+6= 9+9=
7+7= 7+10=
10+5= 9+6=
3+9= 8-1=
16-11= 3+11=
3+5= 19-5=
4+3= 9-2=
8+11= 20-5=
16-12= 1+11=
2+12= 20-8=
17-4= 4+11=
6-1= 8+5=
10+10= 10+9=
2+13= 10-4=
20-17= 7+13=
19-10= 6-1=
15-9= 10+10=
13-8= 5+9=
6-2= 3+14=
11-2= 3-2=
2+3= 15-13=
11-10= 20-10=
10-8= 16-14=
2+7= 3+11=
17 38
17-7=
9+11= 5-2= 12+7=
5+1= 15-3= 17-1= 15+3=
14-3= 5+5= 14-9= 1+7=
4-3= 7+2= 2+6= 1+6=
17-5= 6+13= 3+13= 17-11=
11+5= 6+8= 7-3= 20-10=
10-2= 7-1= 7+5= 5+10=
19-18= 6-3= 7+4= 14+6=
14-10= 16-13= 20-11= 5+2=
1+17= 13-1= 9-1= 16-14=
4+5= 3+15= 9-2= 9+11=
17-13= 14-13= 9+3= 5+12=
18 38
9+4= 1+19=
12-10= 16-9=
17-15= 4+15=
14-4= 15-2=
12+7= 13+4=
16-11= 17+3=
6+8=
20-9= 8-2= 20-5=
10+1=
14+5= 18-7= 10+2=
16-2=
17-11= 7+12= 10+9=
11+2=
19-5= 11+4= 15-3=
11+5=
18-5= 11+7= 11+8=
11+9=
12+3= 18-8= 12+4=
13-2=
12+5= 12+7= 16-5=
12+8=
13+1= 18-4= 17-4=
13+2=
19-7= 10+7= 18-3=
13+3=
19-8= 13+4= 10+5=
14-4=
13+5= 13-3= 13+7=
15-2=
14+1= 12-2= 14+2=
19
38
3+8= 15-2= 10+6=
13-9=
10+6= 16-6= 10+9=
10+3=
16-4= 14+3=
17-5= 10+8=
18+2= 17-6=
14+6= 15+1=
15+2= 15+3=
19-0= 15+4=
12+6= 20-0=
14-3= 15+5=
16+3= 11+3=
16+4= 17+1=
17+2= 17+3=
18+1= 19+1=
20+0= 12+1=
10+4= 3+14=
19-1= 19-2=
19-3= 19-4=
11+1= 19-6=
11+6= 19-9=
18-1= 11+3=
18-2= 18-6=
17-1= 11+4=
13+3= 17-2=
10+6= 17-3=
14+1= 17-7=
13+6= 16-1=
12+3= 16-2=
20 38
14-2=
16+1= 16+2= 17-0=
12+8= 13+4= 15-4= 13+2=
13+2= 19-7= 10+7= 18-3=
16-3= 13+1= 15-1= 14+2=
2+5= 18-0= 13+5= 13-1=
15-5= 14-1= 10+5= 12-1=
11-1= 16-0= 13-3= 18-3=
15+2= 15+3= 19-0= 15+4=
11+9= 12+3= 18-8= 12+4=
13-2= 12+5= 12+7= 16-5=
17-1= 11+4= 13+3= 17-2=
10+6= 17-3= 14+1= 17-7=
15-2= 14+1= 12-2= 14+2=
16-4= 14+3= 17-5= 10+8=
21 38
18+2= 17-6=
14+6= 15+1=
20+0=
12+1= 10+4= 3+14=
19-1=
19-2= 19-3= 19-4=
16+3=
11+3= 16+4= 17+1=
17+2=
17+3= 18+1= 19+1=
15-2=
14+1= 12-2= 14+2=
16-4=
14+3= 17-5= 10+8=
10+1=
14+5= 18-7= 10+2=
10+6=
16-6= 10+9= 10+3=
12+6=
20-0= 14-3= 15+5=
14-2=
16+1= 16+2= 17-0=
11+1=
19-6= 11+6= 19-9=
18-1=
11+3= 18-2= 18-6=
16-4=
14+3= 17-5= 10+8=
6+8=
9+2= 7+4= 5+5=
22
38
4+9= 10+6= 9+5=
10+4=
6+10= 8+5= 14-6=
7+2=
6+5= 6+8= 9+6=
8+5=
3+6= 8+5= 7+9=
5+7=
6+8= 4+7= 5+9=
9+4=
7+8= 6+5= 4+9=
5+7=
7+7= 8+4= 5+3=
2+7=
6+4= 7+4= 3+6=
13-6=
18-9= 11-7= 6+9=
17-9=
13-6= 14-5= 15-6=
12-9=
12+8= 11-9= 4+8=
16-4=
7+9= 16-7= 2+17=
12-8=
17-8= 18-1= 17-8=
15-7=
23 38
10-4= 14+6=
16-9= 15+5=
16-8=
14-7= 12+8= 8+6=
14-10=
8+8= 14-9= 7+5=
14-4=
11+9= 11-6= 17+1=
15-8=
16+3= 5+8= 9+2=
8+4=
7+5= 6+6= 5+6=
13-5=
9+4= 7+8= 7+7=
6+5=
5+7= 12-9= 16-8=
15-7=
14-6= 11-5= 9+6=
16+3=
11+3= 16+4= 17+1=
8+8=
7+6= 6+8= 5+8=
6-9=
11-8= 13-7= 15-6=
12-5=
9+8= 5+8= 7+4=
6+9=
5+9= 13-9= 13-8=
24
38
15-9= 14-8= 12-7=
11-6=
14-7= 12-6=
14-5= 9+3=
9+8= 7+8=
6+7= 4+9=
11-9= 12-8=
16-7= 13-6=
15-5= 14-9=
15-8= 17-10=
13-4= 11-2=
14-10= 4+8=
5+7= 2+9=
7+5= 8+6=
14-6= 12-5=
11-5= 13-8=
15-6= 7+7=
9+9= 9+6=
8+5= 8+9=
11-5= 12-6=
6+6= 8+8=
9+3= 7+7=
14-8= 15-6=
16-9= 17-8=
18-9= 9+9=
7+5= 8+6=
25 38
12-3=
11-4= 11-3= 12-4=
14-9=
16-9= 15-8= 4+7=
5+9= 13-8= 17-10= 16-1=
16-2= 16-3= 16-4= 1+11=
1+12= 1+13= 1+14= 1+15=
20-10= 19-1= 19-2= 19-3=
19-4= 18-5= 18-6= 18-7=
18-8= 18-9= 17-5= 17-6=
12-8= 9-4= 20-13= 17-1=
17-7= 17-8= 17-9= 16-10=
15-1= 15-2= 15-3= 15-4=
2+7= 2+8= 2+9= 2+10=
2+11= 15-10= 14-1= 14-2=
14-3= 14-4= 1+16= 1+17=
1+18= 1+19= 19-5= 19-6=
19-7= 19-8= 19-9= 2+12=
26 38
2+13= 2+14=
2+15= 2+16=
15-5= 15-6=
15-7= 15-8=
15-9= 18-10=
17-1= 17-2=
17-3= 17-4=
2+17= 2+18=
19-10= 18-1=
18-2= 18-3=
18-4= 3+16=
3+17= 4+4=
4+5= 4+6=
13-5= 13-6=
13-7= 13-8=
13-9= 4+7=
4+8= 4+9=
4+10= 4+11=
13-10= 12-1=
12-2= 12-4=
12-5= 4+12=
4+13= 4+14=
4+15= 4+16=
18-1= 11-7=
15-3= 19-4=
16-5= 12-7=
9+2= 8+4=
7+5= 6+6=
27 38
5+6= 15-9= 14-8=
12-7=
11-6= 13-5= 9+4=
7+8=
7+7= 6+5= 5+7=
12-9=
15+3= 9-4= 20-1=
6+8=
16-8= 15-7= 14-6=
11-5=
9+6= 8+8= 7+6=
6+8=
5+8= 16-9= 11-8=
13-7=
15-6= 12-5= 9+8=
5+8=
7+4= 6+9= 5+9=
13-9=
3-8= 14-7= 12-6=
14-5=
9+3= 9+8= 7+8=
6+7=
4+9= 11-9= 12-8=
16-7=
13-6= 15-5= 9+5=
8+6=
7+9= 3+8= 4+7=
14-9=
28 38
15-8=
17-10= 12-3= 11-4=
11-3=
12-4= 13-4= 11-2=
14-10=
4+8= 5+7= 2+9=
7+5=
8+6= 14-6= 12-5=
11-5=
13-8= 15-6= 7+7=
9+9=
9+6= 8+5= 8+9=
11-5=
12-6= 14-9= 16-9=
15-8=
4+7= 6+6= 8+8=
9+3=
7+7= 14-8= 15-6=
16-9=
17-8= 18-9= 9+9=
7+5=
8+6= 5+9= 13-8=
12+1=
12+3= 19-15= 13+5=
8+1=
15-15= 13-2= 8+9=
3+1=
8+8= 11-10= 18-2=
29
38
1+16= 9+1= 9+10=
6+14=
10-10= 19-11= 5+2=
18-11=
14+2= 17-11= 18-6=
16-11=
15-11= 17+2= 9-7=
14-11=
17-6= 12-11= 11-11=
8+7=
9+1= 11+1= 16+1=
17+1=
1+2= 5+8= 5+11=
15-2=
17-6= 3+9= 5+5=
17-2=
6+2= 19-3= 6-4=
19-2=
7+12= 13-1= 10-9=
8+2=
19-16= 17-2= 15-13=
15-2=
14-10= 11+2= 7+8=
16+2=
2+7= 16-16= 6+8=
1+13=
11+9= 10+8= 14-13=
12+3=
30 38
3+13=
10+1= 13-11= 4+3=
18-14=
17-12= 14-14= 5+3=
19-14=
6+3= 9+3= 16-14=
10+3=
14-1= 15-3= 6-5=
11+3=
8-6= 13+3= 3+12=
18-10=
14+3= 16+3= 18-18=
15+4=
14-12= 17-6= 6+14=
7+4=
10-7= 8+4= 7+9=
9+4=
11+4= 19-7= 12+4=
0+18=
13+4= 19-1= 11+5=
15-8=
17-10= 12-3= 11-4=
7+6=
19-10= 8+6= 10+6=
31
38
1+4= 2+4= 19-13=
13+4=
8-8= 17-5= 19-2=
4+15=
13-13= 10-4=
16-2= 12+6=
16-13= 13+6=
11+7= 13+7=
17-16= 18-2=
6+11= 18-1=
7+11= 17-1=
5+7= 14+4=
15-4= 18-16=
15+4= 15-12=
11-0= 16-3=
7+7= 16-6=
17-3= 11+7=
12+7= 11+8=
12+8= 4+8=
19-12= 11+8=
4+7= 10+9=
12+1= 18-15=
19-1= 14+4=
16-1= 11+1=
9+7= 14-1=
13-5= 3+8=
11-11= 14-2=
18+1= 12-2=
11+6= 10-2=
2+12= 13-2=
18-3= 10+4=
17-3= 13-3=
32 38
9-3= 13-10= 8-3=
5-3=
6+9= 5+8= 7+3=
6+6=
9+5= 7+9= 8+8=
5+8=
14-9= 17-6= 4+7=
9+4=
6+8= 9+7= 7+8=
9+8=
4+6= 5+3= 6+8=
17-5=
3+7= 6+8= 9+6=
2+8=
6+9= 14-6= 5+7=
4+7=
20-5= 18-13= 15-9=
18-15=
7+9= 15-8= 6+9=
8+4=
9+8= 8+5= 9+11=
16-7=
13-7= 7+4= 8+3=
17-6=
19-8= 8+5= 9+5=
8+6=
7+14= 8+2= 4+7=
3+9=
33 38
12-8=
5+8= 3+5= 13-6=
6+9=
9+5= 13-8= 14+6=
9+9=
8+7= 4+7= 6+3=
12-9=
9-3= 8+3= 5+7=
5+6=
6+8= 9+2= 7+4=
5+5=
4+9= 10+6= 9+5=
10+4=
6+10= 8+5= 14-6=
7+2=
6+5= 6+8= 9+6=
8+5=
3+6= 8+5= 7+9=
5+7=
6+8= 4+7= 5+9=
9+4=
7+8= 6+5= 4+9=
5+7=
7+7= 8+4= 13-6=
18-9=
11-7= 6+9= 17-9=
13-6=
14-5 = 15-6= 12-9=
34
38
12+8= 11-9= 4+8=
16-4=
17-8= 18-1= 17-8=
15-7=
10-4= 14+6= 16-9=
15+5=
16-8= 14-7= 12+8=
8+6=
18-3= 10+4= 17-3=
13-3=
17+1= 15-8= 16+3=
5+8=
9+2= 8+4= 7+5=
6+6=
5+6= 15-9= 14-8=
12-7=
11-6= 13-5= 9+4=
7+8=
7+7= 6+5= 5+7=
12-9=
16-8= 15-7= 14-6=
11-5=
9+6= 8+8= 7+6=
6+8=
35 38
7+9= 16-7=
2+17= 12-8=
14-10= 8+8=
14-9= 11-6=
5+8=
16-9= 11-8= 13-7=
7+4=
6+9= 5+9= 13-9=
9+3=
9+8= 7+8= 6+7=
13-6=
15-5= 14-9= 15-8=
17-10=
12-3= 11-4= 11-3=
12-4=
13-4= 11-2= 14-10=
4+8=
5+7= 2+9= 7+5=
8+6=
14-6= 12-5= 11-5=
13-8
15-6= 7+7= 9+9=
9+6=
8+5= 8+9= 11-7=
12-6=
14-9= 16-9= 15-8=
36
38
15-6= 12-5= 9+8= 5+8=
13-8= 14-7= 12-6= 14-5=
4+9= 11-9= 12-8= 16-7=
4+7= 6+6= 8+8=
9+3=
7+7= 14-8= 15-6=
16-9=
17-8= 18-9= 9+9=
7+5=
8+6= 5+9= 13-8=
17-10=
16-1= 16-2= 16-3=
16-4=
1+11= 1+12= 1+13=
1+14=
1+15= 20-10= 19-1=
19-2=
19-3= 19-4= 18-5=
18-6=
18-7= 18-8= 18-9=
17-5=
17-6= 17-7= 17-8=
17-9=
16-2= 16-3= 16-4=
16-5=
16-6= 16-10= 15-1=
15-2=
15-3= 15-4= 12+7=
12+8=
37 38
2+18= 18-6=
16-1= 2+12=
2+9=
2+10= 2+11= 15-10=
14-1=
14-2= 14-3= 14-4=
1+16=
1+17= 1+18= 1+19=
19-8=
19-9= 2+12= 2+13=
2+14=
2+15= 2+16= 15-5=
15-6=
15-7= 15-8= 15-9=
18-10=
17-1= 17-2= 17-3=
17-4=
2+17= 2+18= 3+13=
13+4=
13+5= 19-10= 18-1=
2+10=
19-5= 19-6= 19-7=
38
38