contoh 1 :
6
|
5
|
7
|
2
|
2
|
9
|
3
|
8
|
9
|
5
|
7
|
3
|
9
|
3
|
6
|
1
|
8
|
6
|
3
|
5
|
2
|
9
|
6
|
8
|
4
|
6
|
3
|
9
|
5
|
3
|
8
|
6
|
2
|
5
|
1
|
7
|
0
|
3
|
9
|
3
|
6
|
7
|
5
|
0
|
4
|
3
|
0
|
1
|
9
|
4
|
1
|
8
|
2
|
7
|
1
|
8
|
6
|
5
|
4
|
2
|
4
|
8
|
5
|
8
|
5
|
1
|
2
|
6
|
9
|
0
|
5
|
8
|
5
|
3
|
4
|
6
|
3
|
7
|
5
|
3
|
2
|
8
|
6
|
7
|
3
|
5
|
3
|
0
|
8
|
9
|
2
|
7
|
5
|
8
|
9
|
6
|
2
|
4
|
1
|
0
|
1
|
4
|
3
|
7
|
6
|
9
|
8
|
4
|
1
|
7
|
5
|
9
|
4
|
6
|
7
|
9
|
2
|
4
|
7
|
1
|
9
|
7
|
5
|
6
|
3
|
1
|
2
|
9
|
8
|
5
|
2
|
7
|
4
|
5
|
0
|
7
|
2
|
4
|
6
|
3
|
9
|
7
|
5
|
3
|
9
|
5
|
3
|
5
|
9
|
7
|
3
|
6
|
3
|
6
|
0
|
5
|
7
|
6
|
4
|
3
|
0
|
9
|
6
|
4
|
6
|
4
|
3
|
1
|
2
|
5
|
8
|
6
|
4
|
9
|
8
|
6
|
4
|
6
|
4
|
3
|
2
|
4
|
6
|
7
|
8
|
6
|
4
|
6
|
8
|
6
|
4
|
7
|
3
|
5
|
2
|
9
|
6
|
6
|
2
|
4
|
7
|
4
|
2
|
6
|
3
|
5
|
2
|
4
|
9
|
2
|
9
|
6
|
4
|
2
|
1
|
3
|
3
|
4
|
6
|
7
|
5
|
3
|
5
|
7
|
8
|
5
|
3
|
4
|
5
|
1
|
4
|
6
|
7
|
5
|
3
|
2
|
3
|
5
|
0
|
4
|
0
|
3
|
6
|
8
|
3
|
8
|
6
|
7
|
2
|
3
|
6
|
7
|
0
|
1
|
5
|
8
|
7
|
4
|
9
|
6
|
6
|
3
|
9
|
7
|
5
|
8
|
5
|
3
|
6
|
7
|
3
|
2
|
4
|
6
|
8
|
9
|
7
|
4
|
3
|
3
|
5
|
5
|
6
|
7
|
8
|
6
|
4
|
4
|
2
|
4
|
6
|
7
|
9
|
6
|
4
|
3
|
2
|
3
|
5
|
9
|
5
|
7
|
6
|
8
|
7
|
5
|
6
|
4
|
3
|
4
|
7
|
8
|
6
|
5
|
3
|
1
|
2
|
4
|
5
|
6
|
6
|
6
|
4
|
3
|
4
|
4
|
3
|
4
|
4
|
2
|
1
|
2
|
3
|
1
|
5
|
7
|
7
|
7
|
7
|
5
|
3
|
3
|
5
|
6
|
6
|
6
|
6
|
6
|
6
|
7
|
8
|
8
|
8
|
4
|
3
|
4
|
1
|
8
|
5
|
0
|
8
|
3
|
5
|
2
|
7
|
2
|
7
|
2
|
9
|
3
|
1
|
5
|
2
|
3
|
4
|
1
|
2
|
7
|
4
|
8
|
1
|
4
|
5
|
3
|
2
|
1
|
6
|
3
|
2
|
5
|
7
|
8
|
9
|
3
|
0
|
2
|
4
|
2
|
1
|
7
|
7
|
0
|
9
|
7
|
6
|
4
|
3
|
2
|
6
|
7
|
3
|
2
|
1
|
3
|
7
|
5
|
3
|
2
|
1
|
9
|
7
|
6
|
4
|
9
|
8
|
4
|
5
|
2
|
4
|
3
|
9
|
8
|
4
|
6
|
3
|
5
|
7
|
2
|
3
|
0
|
9
|
6
|
7
|
7
|
5
|
2
|
3
|
4
|
1
|
7
|
5
|
9
|
7
|
0
|
8
|
7
|
5
|
2
|
3
|
8
|
5
|
6
|
7
|
4
|
2
|
0
|
7
|
5
|
3
|
2
|
1
|
7
|
5
|
6
|
8
|
4
|
2
|
9
|
2
|
3
|
9
|
8
|
6
|
5
|
4
|
7
|
5
|
0
|
7
|
8
|
3
|
1
|
4
|
2
|
7
|
5
|
3
|
8
|
4
|
6
|
2
|
8
|
5
|
2
|
8
|
4
|
3
|
0
|
7
|
5
|
3
|
2
|
0
|
8
|
6
|
5
|
3
|
2
|
0
|
9
|
1
|
8
|
7
|
5
|
3
|
5
|
4
|
8
|
6
|
9
|
9
|
8
|
8
|
6
|
5
|
3
|
0
|
8
|
4
|
8
|
3
|
6
|
7
|
5
|
3
|
1
|
5
|
2
|
6
|
3
|
5
|
4
|
2
|
4
|
3
|
7
|
5
|
6
|
9
|
7
|
4
|
3
|
4
|
7
|
5
|
6
|
9
|
4
|
2
|
1
|
3
|
4
|
3
|
2
|
6
|
9
|
7
|
5
|
4
|
3
|
2
|
2
|
0
|
9
|
8
|
6
|
5
|
3
|
5
|
4
|
5
|
4
|
5
|
6
|
0
|
9
|
6
|
5
|
4
|
3
|
3
|
6
|
5
|
6
|
5
|
1
|
2
|
4
|
5
|
0
|
0
|
8
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
0
|
8
|
6
|
5
|
3
|
5
|
7
|
5
|
9
|
6
|
5
|
3
|
2
|
1
|
2
|
5
|
4
|
3
|
2
|
3
|
3
|
3
|
4
|
6
|
4
|
6
|
5
|
3
|
2
|
6
|
2
|
9
|
7
|
6
|
5
|
4
|
2
|
3
|
5
|
4
|
3
|
2
|
0
|
9
|
7
|
6
|
5
|
4
|
2
|
0
|
7
|
5
|
4
|
7
|
6
|
4
|
3
|
2
|
0
|
9
|
6
|
5
|
6
|
7
|
4
|
5
|
2
|
6
|
4
|
8
|
6
|
3
|
1
|
0
|
8
|
1
|
6
|
4
|
3
|
3
|
3
|
3
|
8
|
7
|
5
|
6
|
3
|
4
|
4
|
5
|
3
|
6
|
6
|
5
|
3
|
3
|
9
|
9
|
8
|
7
|
7
|
6
|
4
|
5
|
6
|
5
|
5
|
4
|
3
|
2
|
0
|
9
|
8
|
7
|
6
|
4
|
4
|
3
|
2
|
0
|
9
|
8
|
5
|
6
|
7
|
7
|
7
|
5
|
9
|
8
|
8
|
8
|
7
|
5
|
3
|
0
|
9
|
8
|
7
|
6
|
2
|
5
|
5
|
5
|
2
|
5
|
4
|
9
|
0
|
9
|
5
|
4
|
3
|
2
|
2
|
1
|
7
|
8
|
8
|
6
|
4
|
3
|
2
|
1
|
8
|
7
|
6
|
5
|
4
|
7
|
9
|
9
|
9
|
8
|
4
|
3
|
0
|
8
|
6
|
3
|
2
|
1
|
6
|
5
|
4
|
8
|
7
|
6
|
6
|
6
|
9
|
8
|
7
|
7
|
5
|
4
|
6
|
7
|
9
|
0
|
7
|
6
|
0
|
9
|
8
|
7
|
4
|
5
|
6
|
3
|
2
|
1
|
6
|
5
|
4
|
7
|
6
|
5
|
4
|
2
|
1
|
0
|
5
|
7
|
6
|
5
|
4
|
3
|
3
|
3
|
2
|
9
|
8
|
7
|
6
|
5
|
7
|
6
|
3
|
4
|
5
|
2
|
9
|
8
|
7
|
6
|
5
|
4
|
3
|
9
|
8
|
5
|
4
|
8
|
6
|
4
|
3
|
3
|
7
|
1
|
1
|
7
|
6
|
5
|
0
|
9
|
6
|
7
|
0
|
9
|
8
|
6
|
5
|
4
|
8
|
7
|
3
|
4
|
6
|
4
|
5
|
6
|
7
|
8
|
6
|
5
|
4
|
5
|
4
|
3
|
3
|
4
|
4
|
4
|
1
|
2
|
3
|
5
|
3
|
5
|
3
|
9
|
8
|
7
|
6
|
5
|
6
|
8
|
6
|
8
|
6
|
4
|
5
|
3
|
0
|
9
|
8
|
7
|
1
|
3
|
2
|
1
|
8
|
6
|
5
|
4
|
3
|
2
|
0
|
8
|
7
|
6
|
5
|
4
|
8
|
6
|
0
|
5
|
6
|
7
|
5
|
6
|
5
|
8
|
6
|
4
|
6
|
4
|
6
|
4
|
9
|
8
|
0
|
7
|
0
|
8
|
3
|
4
|
4
|
4
|
5
|
3
|
5
|
4
|
4
|
5
|
6
|
5
|
6
|
5
|
6
|
5
|
6
|
5
|
6
|
5
|
6
|
5
|
6
|
5
|
6
|
5 + 4 – 1 =
7 + 3 – 3 =
|
6 – 3 + 9 =
2 + 5 – 6 =
|
8 – 6 + 2 =
5 + 2 – 1 =
|
11 – 3 + 5 =
0 + 8 – 12 =
|
0 + 3 – 2 =
5 + 4 – 1 =
|
15 – 9 + 3 =
3 – 4 + 10 =
|
2 + 5 – 3 =
9 + 7 – 2 =
|
8 – 5 + 5 =
4 + 4 – 3 =
|
6 – 1 + 2 =
5 + 2 – 4 =
|
2 – 2 + 3 =
4 + 9 – 8 =
|
13 – 3 + 3 =
3 – 4 + 10 =
|
13 – 3 + 3 =
19 – 8 + 5 =
|
11 – 2 + 3 =
2 – 0 + 10 =
|
15 – 9 + 3 =
1 – 10 + 5 =
|
3 + 4 – 3 =
2 – 4 + 2 =
|
7 + 3 – 3 =
5 + 2 – 1 =
|
6 + 2 – 7 =
9 – 5 + 4 =
|
10 – 6 + 3 =
2 + 9 – 10 =
|
13 – 3 + 3 =
3 – 4 + 10 =
|
9 – 5 + 4 =
5 – 3 + 1 =
|
5 + 3 – 0 =
6 – 5 + 2 =
|
15 – 9 + 3 =
9 – 6 + 11 =
|
8 + 2 – 3 =
5 – 3 + 1 =
|
4 + 4 – 3 =
4 + 9 – 8 =
|
3 + 4 – 3 =
6 + 2 – 7 =
|
10 – 6 + 3 =
2 + 9 – 10 =
|
8 + 3 – 3 =
2 – 9 + 6 =
|
6 + 2 – 7 =
2 + 5 – 3 =
|
4 – 7 + 1 =
6 + 2 – 7 =
|
9 + 2 – 4 =
5 + 4 – 1 =
|
7 – 6 + 3 =
9 – 8 + 2 =
|
19 – 8 + 5 =
9 – 6 + 11 =
|
9 – 5 + 2 =
8 + 3 – 6 =
|
8 – 8 + 2 =
6 + 3 – 8 =
|
5 + 5 – 3 =
7 – 8 + 3 =
|
3 – 1 + 2 =
8 + 2 – 3 =
|
9 + 3 – 2 =
5 + 3 – 3 =
|
2 + 3 – 5 =
9 – 6 + 2 =
|
7 – 3 + 2 =
0 – 3 + 5 =
|
6 + 3 – 5 =
5 + 2 – 3 =
|
19 – 8 + 5 =
9 – 6 + 11 =
|
4 – 7 + 1 =
0 – 3 + 5 =
|
2 + 4 – 4 =
3 + 9 – 3 =
|
8 – 9 + 2 =
5 + 6 – 3 =
|
1 – 1 + 3 =
0 + 3 – 2 =
|
9 + 2 – 4 =
8 + 3 – 5 =
|
5 + 6 – 3 =
8 + 3 – 6 =
|
10 – 5 + 3 =
1 – 3 + 17 =
|
3 – 1 + 2 =
8 + 2 – 3 =
|
13 – 8 + 5 =
1 – 2 + 12 =
|
2 – 3 + 0 =
9 + 2 – 8 =
|
8 + 9 – 10 =
13 – 8 + 5 =
|
7 – 8 + 3 =
8 + 3 – 5 =
|
6 + 3 – 8 =
5 – 2 + 2 =
|
7 – 3 + 3 =
5 + 2 – 3 =
|
8 – 8 + 2 =
9 + 2 – 8 =
|
5 + 5 – 9 =
3 – 7 + 6 =
|
3 – 3 + 7 =
5 + 3 – 5 =
|
23 – 9 + 2 =
8 + 9 – 10 =
|
15 – 9 + 3 =
1 – 10 + 5 =
|
5 – 3 + 2 =
3 – 1 + 5 =
|
5 – 4 + 2 =
4 – 7 + 1 =
|
10 – 6 + 4 =
9 + 5 – 11 =
|
10 – 6 + 4 =
7 + 18 – 2 =
|
1 – 2 + 12 =
8 + 9 – 10 =
|
10 – 6 + 4 =
9 + 5 – 11 =
|
9 + 2 – 4 =
1 – 0 + 2 =
|
6 + 3 – 8 =
5 – 2 + 2 =
|
27 – 1 + 9 =
7 + 18 – 2 =
|
2 + 3 – 5 =
9 – 6 + 2 =
|
3 – 7 + 6 =
8 + 3 – 5 =
|
8 + 3 – 5 =
8 + 3 – 6 =
|
3 – 3 + 7 =
2 + 3 – 5 =
|
7 – 3 + 5 =
6 + 3 – 5 =
|
23 – 9 + 2 =
8 + 9 – 10 =
|
7 – 3 + 2 =
0 – 3 + 5 =
|
5 – 2 + 2 =
8 + 3 – 5 =
|
9 – 6 + 2 =
2 + 3 – 5 =
|
5 + 5 – 3 =
7 – 8 + 3 =
|
9 – 4 + 1 =
8 + 3 – 5 =
|
8 – 2 + 2 =
0 + 9 – 5 =
|
7 – 4 + 6 =
7 – 3 + 2 =
|
23 – 9 + 2 =
15 – 9 + 3 =
|
2 – 3 + 0 =
9 + 2 – 4 =
|
9 – 6 + 1 =
5 + 3 – 5 =
|
7 – 4 + 6 =
5 + 4 – 3 =
|
1 – 0 + 8 =
2 – 3 + 4 =
|
1 – 0 + 3 =
5 + 6 – 3 =
|
5 + 3 – 3 =
5 + 2 – 3 =
|
3 + 9 – 3 =
9 – 4 + 1 =
|
10 – 5 + 3 =
1 – 3 + 17 =
|
1 – 0 + 3 =
6 – 4 + 2 =
|
5 – 4 + 2 =
2 + 6 – 2 =
|
2 – 3 + 4 =
0 – 3 + 5 =
|
5 + 5 – 3 =
6 + 3 – 5 =
|
2 – 3 + 0 =
9 + 2 – 8 =
|
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