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10+8=
10+2=
13+2=
8+2+3=
8+10=
17-7=
19-3=
9+1+4=
18-8=
10+8=
3+11=
7+3+5=
18-10=
3+10=
16-4=
7+4+6=
10+1=
10+2=
19-4=
7+8+3=
1+10=
10+10=
19-5=
6+4+7=
11-1=
14-4=
15-3=
8+2+5=
11-10=
18-8=
10+4=
5+4+6=
6+10=
6+10=
13-3=
7+2+3=
16-6=
10+9=
14-1=
3+4+10=
16-10=
8+10=
10+2=
11-1-5=
10+3=
13-3=
13-3=
17-7-3=
3+10=
5+10=
3+15=
19-9+1=
13-3=
16-10=
18-8=
15-5-7=
13-10=
11-10=
5+5=
13-3-4=
10+5=
13-10=
4+6=
18-10-4=
5+10=
18-10=
20-20=
17-10-7=
10+8=
10-10=
12+4=
14-10+5=
3+10=
10+9=
8-8=
16-10+3=
11-1=
10-5=
10+0=
20-10-7=
9+1=
8+7=
8+4= 9+7=
9+7=
8+2=
7+9=
8+5= 6+6=
6+5=
8+3=
7+5=
9+6= 4+9=
2+8=
2+9=
8+6=
6+8= 6+5=
7+7=
19-9=
8+8=
7+9= 5+8=
8+8=
9+3=
7+4=
8+10= 5+7=
4+8=
8+4=
8+5=
7+4= 8+7=
8+6=
5+9=
7+7=
5+7= 4+8=
7+6=
8+6=
6+5=
9+2= 8+6=
3+9=
4+9=
1+9=
7+8= 7+10=
5+9=
5+9=
7+3=
9+8=
2+8=
3+8=
6+9=
6+7=
9+2=
10-9=
6+4=
7+9=
5+6=
8+3=
2+10=
7+2=
8+9=
8-5=
6+7=
9+8=
6+9=
9+0=
10-7=
8+4=
6+3=
6+8=
5+8=
6+7=
1+9=
10+4=
5+10=
8+9=
2+9=
10-5=
6+8=
13-3=
9+9=
9+4=
9+5=
9+3=
3+8=
9+3=
5+9=
8+2=
7+4=
6+7=
3+8=
9+5=
9+3=
8+3=
5-4=
8+9=
9+8=
7+6=
7+5=
6+2+7=
10+8=
8+5=
9+6=
6+9=
4+5+2=
5+5=
9+5=
7+8=
9+5=
3+5+7=
4+6=
5+9=
6+7=
7+7=
4+4+6=
9+4=
8+4=
9+7=
9+4=
4+3+2=
7+4=
6+5=
8+6=
7+8=
4+6+5=
8+4=
6+6=
6+8=
9+6=
7+2+4=
10-2=
7+7=
8+5=
8+3=
2+6+5=
2+9=
9+7=
5+8=
7+4=
7+1+7=
7+5=
8+8=
8+4=
9+9=
6+3+4=
18-2=
9+2=
4+8=
8+4=
6+1+5=
10+5=
5+7=
9-4=
7+6=
5+2+4=
9+6=
9+5=
7+6=
9+4=
3+5+9=
8+4=
7+9=
6+7=
6+8=
6+4+1=
9+4=
8+10=
7+5=
7+9=
3+6+5=
8+7=
6+10=
5+7=
9+8=
7+2+6=
9+2=
8+6=
4+7=
9+3=
4+4+9=
7+5=
19-7=
7+4=
8+4=
9+1+9=
7+9=
7+3=
9+3=
8+3=
8+2+2=
8+5=
2+8=
6+6=
6+6=
7+3+1=
8+2+4=
8-2+6=
3+6+9=
4+5+8=
7+3+2=
4+4-2=
2+6+5=
2+3+4=
8+2+6=
6+2+7=
7+2-5=
6+3+8=
7+3+4=
6+3+7=
9-2+7=
3+3+2=
9+1+8=
5+4+7=
8-2+8=
2+2+4=
8+2+5=
4+5+8=
9-4+7=
4+8+7=
5+4+9=
1+0+7=
8-2+7=
10+2+7=
5+2+2=
9-6-1=
9-4+7=
12+6-5=
3+6+4=
5+4+6=
6+2+9=
7-7+5=
5+2+7=
5+1+7=
8-2+3=
8+2+7=
7-3+6=
2+3+9=
9-4+6=
8-3+7=
7-2+7=
7+2+6=
4+3+5=
5+2+3=
4+2-3=
9+1+5=
6+2-3=
6+2+2=
6+3+4=
7+3+2=
3+9+6=
3+3+1=
4+2+5=
10+8-4=
10-5+4=
2+3+5=
7+2+7=
7-2+9=
3+4+6=
3-0+7=
8+1+2=
6+2+7=
9-6+4=
5-5+5=
1+8+5=
8+2+7=
4+5+8=
7-3+4=
6+3+9=
6-3+9=
7+5-7=
6+2-6=
10-1+2=
5+1+7=
10-4-0=
8-7+6=
9+2=
12-4=
4+7=
17-7=
11-3=
6+8=
11-4=
15-8=
9+8=
8+7=
3+8=
6+5=
9+9=
5+7=
15-7=
14-8=
5+8=
6+10=
3+9=
16-7=
11-5=
13-5=
18-9=
7+7=
12-6=
9+6=
2+9=
15-3=
15-6=
5+6=
16-8=
3+9=
15-4=
11-2=
4+8=
12+3=
16-8=
6+7=
14-9=
19-9=
13-7=
14-9=
9+5=
12-8=
15-7=
8+9=
15-9=
10+6=
7+8=
8+3=
7+5=
17-8=
9+4=
13-9=
7+6=
12-9=
9+6=
8+5=
16-8=
7+4=
8+6=
10+5=
9+9=
14-7=
18-8=
14-9=
18-9=
8+8=
3+9=
11-7=
14-2=
6+7=
11-3=
5+6=
15-8=
6+6=
11-2=
16-9=
4+8=
16-8=
15-7=
13-7=
12-8=
7+4=
16-7=
15-8=
13-9=
11-7=
8+5=
10+3=
9+3=
14-7=
7+8=
13-8=
9+5=
16-9=
9+4=
5+8=
17-8=
9+6=
8+6=
14-8=
17-7=
12-3=
15-8=
13-4=
18-4=
12+3=
16-8=
6+6=
15-9=
7+5=
6+5=
12-4=
6+7=
16-8=
15-6=
12-6=
14-5=
18-9=
9+3=
12-5=
4+9=
6+7=
3+8=
17-7=
12-10=
7+6=
10+6=
16-7=
9+6=
8+5=
8+7=
4+13=
11-1=
13-4=
11-2=
12-7=
17-9=
6+6=
5+6=
9+8=
15-9=
7+7=
6+8=
13+6=
8+4=
16-2=
8+8=
7+9=
10+2=
11-6=
6+5=
4+7=
13-8=
11-9=
14-6=
3+9=
12-8=
15-7=
18-5=
16-10=
7+10=
4-0=
17-11=
5-4=
9-0=
18-12=
13+6=
9-4=
18+1=
17-17=
17–5=
16-1=
6+10=
10+2=
10-10
=
9
-
0
=
15-0
=
4+1
=
0+16
=
2
+
2
=
13-12
=
4+12
=
13+4
=
6
-
5
=
15-13
=
14+1
=
3+12
=
0
+
0
=
0+17
=
7-2
=
2+14
=
11-10
=
11+4
=
10+4
=
14-3
=
11-1
=
3-1
=
13-2
=
12-0
=
11+0
=
13-10
=
15+4
=
3+
5
=
10+
7
=
0+
1
=
19-14
=
11+
1
=
17-
1
=
16+
2
=
16-4
=
3+
4
=
1+14
=
14+2
=
4+12=
12+
5
=
14+1
=
10+8
=
17-15=
15-
3
=
9-8
=
11+5
=
16+1=
12+
3
=
17-12
=
1+17
=
11+5=
2+
6
=
19-5
=
7-3
=
12+4=
10+
7
=
1+12
=
11+1
=
17-10=
9-
9
=
4+12
=
11+2
=
13+2=
16-
1
=
19-13
=
4-3
=
1+14=
15-
3
=
6-5
=
13+1
=
11+1=
19-
1
=
2+6
=
19-18
=
2+11=
2+
6
=
18-13
=
12+7
=
3+1=
3+
4
=
16-14
=
18-2
=
5+4=
2
-
2
=
7
-
3
=
6
-0
=
7+11
=
13-
3
=
8
-
6
=
0
+18
=
10+
3
=
18-11
=
17+
0
=
2
-2
=
1+
7
=
6-3
=
13+
1
=
5
+14
=
11+
0
=
1= 0+10
=
6
-1
=
2+6
=
0= 11+3= 5+10= 12-10=
1= 5+10= 5-5= 19-11=
10+
3
=
3=
1
-
0
=
9
-5
=
19-
8
=
0= 17-1= 13-10= 17+0=
7-
11-1
0+1
17-13=
17-
2+2=
3+11=
8+
3
=
9
-
8
=
7
-3
=
2
-
2
=
2
=
5
-
3
=
0
+4
=
9
-
8
=
5-
14-
17-14=
19-15=
1+3=
5-2=
16-14=
18-2=
5+11=
7-6=
3+12=
11+2=
10+5=
12+6=
3-0=
14-12=
11-1=
10+9=
14+
5
=
1
+
3
=
2
+10
=
8+10=
10+
8
=
2
-
1
=
9
-1
=
9-5=
1+
8
=
12+
6
=
9
-3
=
8
-
2
=
17-11
=
11-10
=
7
-6
=
19-
3
=
15-11
=
7-4
=
16-14
=
5
-
2
=
8-
6
=
15-2
=
16-13
=
3
+11
=
8-
7
=
2
+17
=
5+14
=
14+
4
=
11+
3
=
5
+12
=
16-12
=
7
+
2
=
17-
4
=
7
+11
=
18-
7
=
4
+
5
=
19-
5
=
10+
1
=
2+15
=
19-
5
=
12-11
=
3
+
3
=
18-4
=
19-10
=
16-16
=
1
+
8
=
1+13
=
14-4
=
18-11
=
18-
7=
0+19
=
12+1
=
15-11
=
12+3
=
18-13
=
6
-
0
=
1+
7
=
18-16
=
18-6
=
9
-
1
=
6-
3
=
13-1
=
19-15
=
8
-
0
=
6-
6
=
0
+19
=
9
-
2
=
3
-
3
=
12+
3
=
2
+11
=
7
-
3
=
13-
2
=
8-0=
1+5=
15+3=
18-15=
2+
4
=
19-17
=
3
+
6
=
2
-
1
=
17-10
=
1
+15
=
7
-
6
=
3
+
6
=
2+14
=
5
+13
=
15+
1
=
19-
7
=
17-2
=
2
+3
=
14+
0
=
13+
0
=
0+1
=
18-12
=
18-
8
=
0
+
1
=
12-11
=
4+11
=
12+
7
=
3
+13
=
14+5
=
19-1
=
14+
1
=
3
+12
=
12+4
=
17-11
=
5+
3
= 17-11=
6+10
=
17-16
=
18-
1
= 2+3=
6+12
=
12-10
=
5+10
=
3
+
6
=
17-14
=
11+1
=
19-17
=
4
+
5
=
5-3
=
19-19
=
4+3
=
7
+
1
=
4-3
=
3+1
=
4-2
=
1
+
7
=
13-1
=
15-3
=
7
-1
=
12+
2
=
1
+10
=
7
+10
=
15-10
=
18-
6
=
1
+7
=
3
-
2
=
18-
3
=
16-14
=
1
+18
=
13-
0
=
15-
0
=
19-19=
17+0
=
16-
4
=
2
-
2
=
12-12=
19-4
=
11+
2=
3
+15
=
3-0=
0+
9
=
4
+10
=
0
+11
=
4-0=
4-
3
=
0
+
5
=
9
-0
=
19-18=
17+
2
=
16+
1
=
12-10
=
9-1
=
1+
7
=
10+
8
=
5
+2
=
17-6
=
18-
8
=
3-
0
=
0
-0
=
19-1
=
11-10
=
12-10
=
7
-3
=
12-11
=
15-12
=
15-11
=
6
+10
=
1+13
=
4
+
3
=
3
+14
=
2
+13
=
18-2
=
8-
4
=
6
-2
=
9
-1
=
2
+14
=
10+
2
=
7
-4
=
15-11
=
8
+10
=
13-
3
=
1
+12
=
4+15
=
2
+4
=
15-
1
=
16-
2
=
10+
3
=
1
+14
=
16+
2
=
10+
7
=
2+
5
=
2
+
6
=
1+
2
=
14+
3
=
11+
8
=
1
+
1
=
17-16
=
1+
2
=
5+14
= 12+4=
18-17
=
12+
3
=
17-15
= 6-1=
6-
5
=
6
+
2
=
16+
3
=
1
+14
=
16+
1
=
4
+15
=
2+
3
=
18-13
=
7
-
1
=
15-1
=
17-
6
=
3+15
=
1
+
2
=
12+3
=
16-
1
=
5+12
=
15-11
=
19-18
=
11+
6
=
11+2
=
19+0
=
1+18
=
7
-
1
=
1+16
=
4+2
=
16-15
=
1
-
1
=
17-16
=
7+1=
5
-2
=
2
+
4
=
19-17
=
10+10=
6
-1
=
1
+
0
=
1+11
=
2+10=
0+4=
18-15=
12-1=
15-13
=
5
+14
=
3+0
=
1+15
=
6-
0
=
8
-
0
=
12+7
=
15-11
=
13+
4
=
0
+
0
=
19-8
=
13+5
=
18-
6
=
18-
4
=
1
+16
=
1+13
=
9-
0
=
8-
0
=
9
-2
=
2+10
=
14-
2
=
18-
6
=
19-14
=
12-
2
=
0+17= 10+6=
5
+4
=
18-
6
=
19-19= 1+14=
3
+13
=
17-
5
=
16-
3
=
18-
4
=
7
+11
=
16-13
=
12+
5
=
10+
3
=
5
-1
=
5
+1
=
6+
1
=
9-
5
=
4
+1
=
9
-9
=
14-10
=
16-
6
=
13-10
=
3
+14
=
6-1
=
15-
5
=
5+
3
=
15+
4
=
18-2
=
19-13
=
11+
5
=
5+
3
=
19-1
=
16-14
=
15-
4
=
19-
8
=
16-14
=
2+12
=
11+
3
=
19-
5
=
17-14=
17+2
=
4+14
=
13-
3
=
1+14=
16-11
=
12-10
=
19-
8
=
2+6
=
7
+2
=
14-10
=
9
-
6
=
19-5
=
6
-5
=
15-
5
=
4
+12
=
10+6
=
0
+16
=
16-
2
=
19-1
=
2+15
=
2
+12
=
16-
2
=
18-16
=
2+17
=
10-10
=
19-
7
=
14-13=
15-15
=
12-1
=
0+11
=
7
+11=
14-12
=
15-2
=
11+0
=
1
+2=
1+15
=
0+11
=
0+9
=
17-10=
1+8=
15+0=
5+0=
14+0=
3+2=
6
-
1
=
5
+
0
=
16-
1
=
13-12=
1
+
3
=
9
+
0
=
8-
7
=
18-4= 13-11= 9-7= 18-4=
2+5
=
10+5
=
3+11
= 15-14=
17-12
=
12-12
=
6+10
= 17-17=
4-1
=
5-2
=
2+5
= 10+8=
15-3
=
1+14
=
6+12
= 2-1=
18-6
=
1+10
=
15-5
= 9-2=
6+13
=
1+14
=
8+1
= 14+5=
18-1
=
3+10
=
14+4
= 8-7=
12-11
=
17-16
=
10+
9
=
3
+
4
=
1+13
=
12+
2
=
10+
3
=
12+
4
=
3+12
=
16+
2
=
7-
4
=
19-10
=
14-10
=
11+
6
=
19-16
=
2+12
=
7
+11
=
10+
6
=
2+4
=
16+
3
=
3
+12
=
17-
5
=
19-3
=
11+
8
=
1
+
4
=
18-
3
=
1+7
=
19-
4
=
14+
3
=
3+16
=
15-12
=
4-
3
=
4+
4
=
18-
1
=
8-8
=
15+
2
=
14+
3
=
5+
3
=
10+7
=
17-
3
=
12+7=
10+
3
=
16-0
=
3+16
=
15-14=
14-
2
=
9+10
=
15-12
=
5-3=
8+0=
6-3=
2+13=
1-0=
11-1=
18+0=
19-19=
13-11=
18-3=
6-1=
1+4=
16-
2
=
14-10
=
14-13
=
11+2
=
11-
0
=
13-10
=
14-2
=
16+2
=
10+
6
=
14-3
=
4+3
=
18-17
=
15-12=
19-18
=
19-18
= 6+12=
10+
2
=
17-3
=
7
-3
=
2+11=
11+
1
=
13-10
=
2
+10
=
0+5=
6+
2
=
12-
2
=
17-
6
=
1
+
2
=
2
+13
=
13+
4
=
5
+
2
=
19-
5
=
1
+12
=
9-
1
=
2
+
1
=
11+
4
=
18+1
=
12-12
=
15-
2
=
7
+12
=
1+14
=
19-10
=
19-12
=
4
-
1
=
17-15
=
2+3
=
16-16
=
1
-
0
=
7
-1
=
19-1
=
1+4
= 2+2=
1
+15
=
19-18
=
19-18
= 17-1=
3
-0
=
7-0
=
7-1
= 12-11=
3
+13
=
0+10
=
11+0
= 8-6=
5
+12
=
19-18
=
15-10
=
17-
1
=
1
+13
=
11+8
=
12+3
=
16-
1
=
17-
5
=
0+18
=
18-14
=
17-
6
=
8-7= 13+0
=
2
+2
=
5
+
2
=
8+0= 3+6
=
4
+12
=
9
-
5
=
6
-
1
=
2
+
3
=
17+
2
=
3
+13
=
5
-
0
=
3
-
0
=
11+
5
=
0
+4
=
9+10=
14-11
=
8
+
0
=
3
+10
=
11+7=
16-0
=
5
+
3
=
0
+11
=
1+8=
12-2=
15-1=
6-5=
19-4=
18-5=
14+2=
4+13=
3+16=
16-6=
19-15
= 9-8=
3+6
=
= 5+3=
17+1
=
= 14-12=
18-7
=
= 15-1=
18-18
=
=
2-
2
=
4
+3
=
=
17+
2
=
8
+1
=
8+11
3+4
2+7
11-10
6+10
8
-6
=
4
+2
=
9-4= 10+3=
1
+15
=
6
-5
=
1+12= 13-11=
17-15
=
14+1
=
17-16
=
16-5
=
18-10
=
15-10
=
1
+18
=
2
-1
=
10+5
=
8-8
=
5
+3
=
1
+17
=
16-15
=
16+2
=
2
-1
=
10+3
=
3+11
=
11-10
=
1
+7
=
6
+3
=
2+12
=
11-10
=
1
+12
=
7
+10
=
12+2
=
16-11
=
7
-7
=
5
+12
=
2
+16
=
7-
3
=
14-1
=
11+2
=
5-3=
16-
3
=
12+1
=
9
-5
=
18-11=
10+
7
=
15-12
=
1
+16
=
1+16=
5
-
5
=
3
+3
=
10+
6
=
18-12=
7
-
7
=
4
-1
=
12-
1
=
0+1=
7
-
0
=
1
+10
=
15-
5
=
2
+
3
=
19-
9
=
17-
4
=
11+
2
=
4
-
4
=
16+
1
=
6-
2
=
16-
1
=
16+
3
=
5-
5
=
18+
0
=
7
+11
=
5+12= 13-2=
2
+
6
=
8
-4
=
16+3= 1+13=
4
-
0
=
7
-2
=
=
17-
5
=
8-
3
=
0
+11=
=
16-
6
=
16-
0
=
2
+4=
18-10
9+0
13+3=
17-4=
4-0=
0+16=
3+2=
0+6=
16-12=
19+0=
10+4= 8-2=
3
+11
=
2+
6
=
11+3= 19-5=
2
+11
=
11+
3
=
10+10= 16-14=
9
-4
=
4+
3
=
5-4= 7-5=
5
+4
=
5-
3
=
17-3
=
17-
4
=
14-2
=
2
+
1
=
15+3
=
1+
4
=
19-17
=
7
+
2
=
17-16
=
15-
4
=
15-12
=
14-12
=
3
+
3
=
5+
1
=
19-5
=
18-16=
2+
6
=
18-
8
=
2
+16
=
8-5=
15+
1
=
7-
3
=
5
-2
=
16-13
=
14+
3
=
14+
1
=
13-2
=
3+14
=
12+
3
=
10+
6
=
3+15
=
13-2
=
1
+16
=
14+
2
=
1+14
=
3+14
=
7-5=
7
-
1
=
10-
0
=
15+1=
5+10=
2
+
5
=
11+
6
=
8
-8=
11+7=
9
-
6
=
10+
6
=
1
+0=
7
-
1
=
17+
0
=
19-
2
=
15-10
=
8
-
2
=
11+
0
=
5+
2
=
4+10
=
2
+
4
=
2+
3
=
12+
3
=
15-14
=
1+16=
16-
3
=
18-10
=
17-4
=
15-4=
15+
2
=
16-14
=
8+10
=
15-10=
15-2=
3-3=
0+19=
15-2
=
2
+10
=
5+14
=
8
-4
=
15-4
=
7
-3
=
2+10
=
7
+11
=
11-10
=
14+2
=
12+
0
=
4
+3
=
19-19
=
4
+15
=
13-
0
=
12-12
=
5+10= 1+1=
19-
3
=
15-
2
=
9-2= 17-3=
8-
6
=
10+
1
=
18-5=
2+2=
1+10=
8-7=
19-18=
11+1=
8-2=
16+3=
4+10=
19-9
=
3
+
0
= 19-5=
12-1=
17-3
=
3
+
1
= 17-12=
17-16
=
12-11
=
3
+10
=
5
-1
=
9-3
=
10+9
=
19-
6
=
2
+10
=
17-2
=
4
+15
=
3+
2
=
1+1
=
17-14
=
7
-6
=
16-
5
=
3+10
=
13+6
=
1
+2
=
6-
2
=
18-1
=
0+11
=
5
+14
=
0+
7
=
0+6
=
19-16
=
0
+0
=
18-13
=
18-
1
=
0
+11
=
1
+17
=
0
+2
=
13-10
=
0
+3
=
1
+15
=
9
-9
=
10-10
=
3
+12
=
16-0
=
0
+0
=
17-3
=
19-6
=
2+13
=
1
+10
=
2
+13
=
5
+12
=
12+7
=
8
-7
=
7
-4
=
9
+0
=
3+12
=
0
+11
=
5
+1
=
12+0
=
18-11
=
1
+4
=
19-5
=
1+15
=
2+4
=
16+1
=
6
+11
=
18-7
=
19-11
=
10+9
=
6
-5
=
16-
5
=
1+
7
=
12-10
=
7+2
=
5-
1
=
10+
4
=
11+3
=
17-15
=
15-
3
=
15-
4
=
17-1
=
3+5
=
18-
8
=
6-
4
=
14-10
=
3+1
=
9-
1
=
19-10
=
2
+2
=
7
+
1
=
19-
6
=
8-4
=
2
+11
=
17-
2
=
12+
1
=
17-14
=
18-6
=
4
+
3
=
3+10
=
14-12
=
12-1
=
2
+16
=
14+1
=
16-11
=
13-11
=
2
+14
=
5+10
=
15+
2
=
1
+18
=
17-10
=
12+1
=
19-
2
=
7
-6
=
1
+
7
=
6-1
=
17+
2
=
7
-1
=
7
+
1
=
19-14
=
9
-
2
=
19-18
=
7
-
6
=
1+11
=
2
+10
=
18-3
=
10+
9
=
14+4
=
0
+
3
=
17-11
=
18-12
=
18-5=
14+
4
=
0
+12
=
3
+11
=
7+10=
7+
0
=
2
+6
=
5
+12
=
5
+12
=
18-
3
=
19-3
=
7
-4
=
2
+4
=
7-
1
=
18-12
=
2
+17
=
9-8=
10+
1
=
7-5
=
7
+11
=
12+3
=
1
+14
=
17-14
=
1
+15
=
1
+1
=
9
-5
=
6
+1
=
0
+17
=
6
+11
=
0
+17
=
6
-1
=
16-
5
=
13-2
=
6
+12
=
15-14
=
7
+
0
=
12+7
=
2
+10
=
5
+11
=
6
+
0
=
13-10=
16-13
=
5
+2
=
16-14=
5+13
=
2
+10
=
12+3
=
3+
1
=
19-1
=
4
-4
=
0+18
=
12+
5
=
2+13
=
2
+15
=
19-13
=
18+
0
=
4+13
=
9
-0
=
6-5
=
15-
4
=
10+2
=
6
+13
=
3+6
=
12+
1
=
1+18
=
18-11
=
1
+
8
=
4
+
4
=
12+4
=
0
+16
=
8
-
2
=
3
+10
=
2
+1
=
6
-6
=
3
+13
=
6
-3
=
4+13
=
5
+1
=
7
-5
=
19-19
=
13+
2
=
16-14
=
16+3
=
13-13=
6
-
2
=
4+12
=
10+0
=
6-2
=
4
-
1
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