x
- 算术
12
x
2
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3
x
21
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4
x
11
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7
x
12
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15
x
5
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1
x
22
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13
x
6
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95
x
0
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12
x
1
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20
x
3
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45
x
1
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16
x
1
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7
x
7
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8
x
8
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4
x
18
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3
x
15
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9
x
2
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75
x
1
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10
x
1
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7
x
14
=
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3
x
5
=
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3
x
12
=
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4
x
15
=
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7
x
5
=
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16
x
1
=
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1
x
78
=
_______
13
x
7
=
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80
x
0
=
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6
x
3
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24
x
1
=
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38
x
1
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14
x
4
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10
x
3
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8
x
9
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4
x
10
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3
x
9
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9
x
6
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80
x
1
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_______
10
x
0
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7
x
13
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3
x
2
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3
x
24
=
_______
4
x
24
=
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7
x
12
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18
x
5
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1
x
67
=
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11
x
6
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88
x
0
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11
x
3
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25
x
3
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18
x
2
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17
x
2
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7
x
7
=
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8
x
12
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4
x
8
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3
x
18
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9
x
10
=
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77
x
1
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10
x
2
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7
x
12
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12
x
4
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3
x
13
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4
x
20
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7
x
6
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20
x
0
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1
x
4
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7
x
7
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81
x
1
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9
x
3
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27
x
2
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45
x
0
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14
x
3
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9
x
6
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9
x
12
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4
x
19
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3
x
31
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9
x
4
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80
x
1
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10
x
3
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7
x
13
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17
x
3
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3
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25
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4
x
8
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7
x
8
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16
x
3
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1
x
57
=
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8
x
7
=
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90
x
0
=
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10
x
3
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27
x
3
=
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31
x
1
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15
x
1
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12
x
7
=
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9
x
7
=
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4
x
17
=
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3
x
9
=
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9
x
8
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83
x
1
=
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10
x
9
=
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7
x
13
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7
x
3
=
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3
x
25
=
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4
x
2
=
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7
x
13
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15
x
3
=
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1
x
45
=
_______
12
x
6
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81
x
1
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8
x
1
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20
x
3
=
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43
x
2
=
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20
x
1
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9
x
6
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8
x
8
=
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4
x
20
=
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3
x
3
=
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9
x
1
=
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71
x
1
=
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10
x
1
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7
x
13
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