numbers
sequencelengths
4
4
solutions
sequencelengths
1
11
solvable
bool
1 class
amt
float64
4.36
212
solved_rate
float64
0.2
1
mean_time
float64
4.63
41.1
std_time
float64
1.25
23
[ 2, 4, 7, 7 ]
[ "(7+7)×2-4" ]
true
35.74
0.512
17.72
9.75
[ 2, 4, 7, 8 ]
[ "(7×2-8)×4", "8×7/2-4", "7×4-8/2" ]
true
19.54
0.763
17.24
7.47
[ 2, 4, 7, 9 ]
[ "4×2+9+7", "(9+7-4)×2" ]
true
14.33
0.804
13.43
6.37
[ 2, 4, 7, 10 ]
[ "(10-7)×4×2", "(4-2)×7+10", "7×4/2+10", "(10-2)×(7-4)" ]
true
8.56
0.912
8.82
3.86
[ 2, 4, 7, 11 ]
[ "11+7+4+2", "(4+2)×(11-7)", "(11+2-7)×4" ]
true
8.68
0.926
9.08
3.86
[ 2, 4, 7, 12 ]
[ "(7+2)×4-12", "12/(4-7/2)" ]
true
116.99
0.275
31.26
18.75
[ 2, 4, 8, 8 ]
[ "4×2+8+8", "(4-2)×8+8", "8×4/2+8", "(8-2)×(8-4)", "(8+8-4)×2" ]
true
8.25
0.937
8.89
4.13
[ 2, 4, 8, 9 ]
[ "(9-4-2)×8" ]
true
10.39
0.835
10.03
4.55
[ 2, 4, 8, 10 ]
[ "10+8+4+2", "10×4-8×2", "(8×2-10)×4", "(10-4)×8/2", "(10-8/2)×4", "(10+2)×8/4", "10×2+8-4", "8×4+2-10", "(10-2)×4-8", "(8/4+10)×2", "(10×4+8)/2" ]
true
7.58
0.978
8.07
2.66
[ 2, 4, 8, 11 ]
[ "(11-8)×4×2", "(11-4×2)×8", "11×2+8/4", "11×8/4+2" ]
true
8.3
0.929
8.6
3.65
[ 2, 4, 8, 12 ]
[ "(4+2)×(12-8)", "(8-4-2)×12", "8×2+12-4", "(12+2-8)×4", "(8-4)×12/2", "(12+4)×2-8", "(12-4)×2+8" ]
true
8.38
0.94
9.08
4.28
[ 2, 4, 8, 13 ]
[ "13×2-8/4", "13×8/4-2" ]
true
13.23
0.821
12.37
6
[ 2, 4, 9, 9 ]
[ "9+9+4+2" ]
true
8.9
0.902
9.04
3.95
[ 2, 4, 9, 10 ]
[ "9×2+10-4", "9×4-10-2" ]
true
14.52
0.794
13.3
6.08
[ 2, 4, 9, 12 ]
[ "(12-9)×4×2", "(9×2-12)×4", "12/(9/2-4)", "(9×4+12)/2", "(12/4+9)×2" ]
true
11.52
0.873
11.48
4.9
[ 2, 4, 9, 13 ]
[ "(4+2)×(13-9)", "13+9+4-2", "4/2+13+9", "(13+2-9)×4" ]
true
8.17
0.939
8.57
3.53
[ 2, 4, 10, 10 ]
[ "(4/10+2)×10" ]
true
116.36
0.26
30.52
19.71
[ 2, 4, 10, 11 ]
[ "11×4-10×2", "(11-10/2)×4", "(11-4)×2+10" ]
true
15.73
0.796
14.41
6.58
[ 2, 4, 10, 12 ]
[ "(10-4×2)×12", "12+10+4-2", "4/2+12+10", "(10-2)×12/4", "(10-4)×2+12", "12/(10/4-2)" ]
true
7.43
0.966
8.1
3.22
[ 2, 4, 10, 13 ]
[ "(13-10)×4×2", "(13+4)×2-10" ]
true
8.89
0.892
9.31
4.55
[ 2, 4, 11, 11 ]
[ "11+11+4-2", "4/2+11+11" ]
true
5.94
0.962
6.36
2.34
[ 2, 4, 11, 12 ]
[ "(11-2)×4-12" ]
true
66.98
0.399
25.01
14.65
[ 2, 4, 12, 12 ]
[ "12×12/(4+2)", "12×4-12×2", "(12/2-4)×12", "(12-12/2)×4" ]
true
10.25
0.858
10.14
4.71
[ 2, 4, 13, 13 ]
[ "13+13+2-4", "13+13-4/2" ]
true
6.94
0.959
7.48
2.76
[ 2, 5, 5, 7 ]
[ "7×2+5+5" ]
true
12.33
0.821
11.77
4.99
[ 2, 5, 5, 8 ]
[ "(5/5+2)×8" ]
true
7.08
0.886
7.29
3.23
[ 2, 5, 5, 9 ]
[ "5×2+9+5", "(5-2)×5+9" ]
true
16.2
0.785
14.74
6.1
[ 2, 5, 5, 10 ]
[ "(5-2/10)×5" ]
true
191.41
0.216
24.53
17.32
[ 2, 5, 5, 11 ]
[ "(5+2)×5-11", "(5/5+11)×2" ]
true
7.92
0.832
7.85
3.55
[ 2, 5, 5, 12 ]
[ "12+5+5+2", "12×2+5-5" ]
true
5.47
0.988
5.88
1.96
[ 2, 5, 5, 13 ]
[ "(13-5)×(5-2)", "(5×5-13)×2", "(13-5/5)×2" ]
true
7.02
0.923
7.46
2.86
[ 2, 5, 6, 6 ]
[ "(5×2-6)×6", "(5-2)×6+6" ]
true
11.91
0.782
10.44
6.03
[ 2, 5, 6, 7 ]
[ "(7+2-5)×6", "6×2+7+5", "(7-5)×6×2" ]
true
8.24
0.924
8.68
3.67
[ 2, 5, 6, 8 ]
[ "5×2+8+6", "(6+2-5)×8", "(6+2)×(8-5)", "6×5+2-8", "(8-2)×5-6" ]
true
7.54
0.955
8.03
3.05
[ 2, 5, 6, 9 ]
[ "6×5/2+9" ]
true
54.49
0.446
28.34
14.23
[ 2, 5, 6, 10 ]
[ "(5-2)×10-6", "10×6×2/5", "(10+5)×2-6", "(10/5+2)×6" ]
true
9.63
0.884
9.8
4.63
[ 2, 5, 6, 11 ]
[ "11+6+5+2", "(11-5-2)×6", "(11-5)×(6-2)", "(11+6-5)×2" ]
true
6.76
0.963
7.25
2.64
[ 2, 5, 6, 12 ]
[ "12×6/(5-2)", "12×5/2-6", "(5-6/2)×12", "(6-5)×12×2", "6×5-12/2" ]
true
6.45
0.954
6.86
2.56
[ 2, 5, 6, 13 ]
[ "(13-5)×6/2", "(13+5-6)×2" ]
true
8.12
0.915
8.51
3.61
[ 2, 5, 7, 7 ]
[ "5×2+7+7" ]
true
11.04
0.823
10.5
4.71
[ 2, 5, 7, 8 ]
[ "(5×2-7)×8" ]
true
87.16
0.334
28.84
16.25
[ 2, 5, 7, 9 ]
[ "7×5-9-2" ]
true
35.81
0.532
24.02
10.62
[ 2, 5, 7, 10 ]
[ "10+7+5+2", "(10+2)×(7-5)", "(10+7-5)×2" ]
true
8.97
0.921
9.33
3.78
[ 2, 5, 7, 11 ]
[ "11×2+7-5", "(7-5)×11+2", "(11×5-7)/2" ]
true
12.56
0.822
11.97
5.94
[ 2, 5, 7, 13 ]
[ "13×2+5-7", "7×5+2-13", "(7×5+13)/2", "(7-5)×13-2" ]
true
12.31
0.84
12.05
5.81
[ 2, 5, 8, 8 ]
[ "8×5-8×2", "(8×5+8)/2" ]
true
15.74
0.716
12.2
6.91
[ 2, 5, 8, 9 ]
[ "9+8+5+2", "9×8/(5-2)", "(8-2)×(9-5)", "(9+8-5)×2" ]
true
9.26
0.928
9.61
3.82
[ 2, 5, 8, 10 ]
[ "(10-5-2)×8", "(10-2)×(8-5)" ]
true
11.99
0.828
11.16
4.89
[ 2, 5, 8, 11 ]
[ "(11-5)×8/2", "(11+5)×2-8" ]
true
10.29
0.859
10.45
5.18
[ 2, 5, 8, 12 ]
[ "(5×2-8)×12", "(8+2)×12/5" ]
true
34.66
0.546
18.65
10.33
[ 2, 5, 8, 13 ]
[ "(13-5×2)×8", "13+8+5-2", "8×2+13-5", "(13+2)×8/5", "(13-5)×2+8" ]
true
9.17
0.931
9.63
3.94
[ 2, 5, 9, 10 ]
[ "10×2+9-5" ]
true
14.94
0.781
13.46
6.36
[ 2, 5, 9, 11 ]
[ "(5-2)×11-9", "9×2+11-5", "(9-2)×5-11" ]
true
15.61
0.766
13.65
7.23
[ 2, 5, 9, 12 ]
[ "(9-5-2)×12", "12+9+5-2", "12/(5-9/2)", "(9-5)×12/2" ]
true
7.22
0.957
7.67
2.92
[ 2, 5, 10, 10 ]
[ "(10+2)×10/5", "(10/5+10)×2" ]
true
10.8
0.787
9.94
4.23
[ 2, 5, 10, 11 ]
[ "11+10+5-2", "11×2+10/5", "11×10/5+2" ]
true
8.53
0.943
9.09
3.67
[ 2, 5, 10, 12 ]
[ "(12+5)×2-10", "(12-5)×2+10" ]
true
25.59
0.647
18.56
9
[ 2, 5, 10, 13 ]
[ "10×5-13×2", "13×2-10/5", "13×10/5-2" ]
true
13.14
0.822
12.66
6.05
[ 2, 5, 11, 12 ]
[ "12/(11/2-5)", "(11-5)×2+12" ]
true
12.56
0.772
10.88
5.66
[ 2, 5, 12, 12 ]
[ "(12-5×2)×12", "(5-2)×12-12", "(12-2)×12/5", "(12×5-12)/2" ]
true
7.23
0.833
7.55
4.19
[ 2, 5, 12, 13 ]
[ "12/2+13+5", "(13+5)×2-12" ]
true
31.7
0.582
22.49
10.09
[ 2, 6, 6, 6 ]
[ "6×2+6+6", "6×6-6×2", "6×6/2+6" ]
true
7.61
0.961
8.13
3.05
[ 2, 6, 6, 7 ]
[ "(7-6/2)×6", "(7-2)×6-6", "(7×6+6)/2" ]
true
12.85
0.784
11.18
5.89
[ 2, 6, 6, 8 ]
[ "(8-6)×6×2", "(6×2-8)×6", "(8+2-6)×6", "(6-6/2)×8", "(6/6+2)×8" ]
true
6.88
0.957
7.49
3.02
[ 2, 6, 6, 9 ]
[ "(6+2)×(9-6)", "(9+6)×2-6", "(9×6-6)/2" ]
true
17.45
0.725
13.7
6.89
[ 2, 6, 6, 10 ]
[ "10+6+6+2", "10×6/2-6", "6×6-10-2" ]
true
8.66
0.94
9.12
3.63
[ 2, 6, 6, 11 ]
[ "(6/6+11)×2" ]
true
7.74
0.831
7.51
3.24
[ 2, 6, 6, 12 ]
[ "(12-6-2)×6", "(12-6)×(6-2)", "12×2+6-6", "(6×6+12)/2", "(12/6+2)×6" ]
true
6.46
0.977
7.03
2.6
[ 2, 6, 6, 13 ]
[ "(13-6/6)×2" ]
true
7.72
0.85
7.68
3.22
[ 2, 6, 7, 8 ]
[ "(7+2-6)×8", "(8+7)×2-6" ]
true
8.94
0.896
9.24
4.04
[ 2, 6, 7, 9 ]
[ "9+7+6+2", "(9-7)×6×2", "(9+2-7)×6", "7×6-9×2" ]
true
7.34
0.961
7.85
3.01
[ 2, 6, 7, 10 ]
[ "(6+2)×(10-7)", "(7×2-10)×6" ]
true
19.24
0.699
13.62
7.59
[ 2, 6, 7, 11 ]
[ "(11+7-6)×2" ]
true
11.29
0.825
10.81
5.3
[ 2, 6, 7, 12 ]
[ "(7-6)×12×2" ]
true
7.1
0.923
7.33
3.01
[ 2, 6, 7, 13 ]
[ "13+7+6-2", "(13-7)×(6-2)", "(13-7-2)×6", "(13+6-7)×2" ]
true
7.11
0.967
7.51
2.7
[ 2, 6, 8, 8 ]
[ "8+8+6+2", "(6-2)×8-8", "(8-8/2)×6" ]
true
9.63
0.928
10.04
4.14
[ 2, 6, 8, 9 ]
[ "(6×2-9)×8", "9×8×2/6" ]
true
18.5
0.731
15.67
6.8
[ 2, 6, 8, 10 ]
[ "(10-8)×6×2", "(10+2-8)×6", "(8-2)×(10-6)", "(10+2)×(8-6)", "(10+8-6)×2", "(10+6)×2-8", "8/(2-10/6)" ]
true
7.95
0.934
8.47
3.57
[ 2, 6, 8, 11 ]
[ "(6+2)×(11-8)", "(11-6-2)×8", "11×2+8-6", "(8-6)×11+2" ]
true
7.81
0.935
8.29
3.46
[ 2, 6, 8, 12 ]
[ "12+8+6-2", "12×8/(6-2)", "(8×2-12)×6", "(8-2)×6-12", "(12-6)×8/2", "(6-8/2)×12", "8×6-12×2" ]
true
10.55
0.942
11.28
4.55
[ 2, 6, 8, 13 ]
[ "6/2+13+8", "13×2+6-8", "(8-6)×13-2" ]
true
11.21
0.866
11.1
5.13
[ 2, 6, 9, 9 ]
[ "(9+9-6)×2", "(6/9+2)×9" ]
true
29.42
0.575
15.56
9.18
[ 2, 6, 9, 10 ]
[ "(10-2)×(9-6)", "(9-10/2)×6" ]
true
18.71
0.695
14.93
6.77
[ 2, 6, 9, 11 ]
[ "(11-9)×6×2", "11+9+6-2", "11×6/2-9", "(11+2-9)×6" ]
true
7.56
0.958
8.08
3.18
[ 2, 6, 9, 12 ]
[ "(6+2)×(12-9)", "(6-2)×9-12", "6/2+12+9", "9×2+12-6", "12/(2-9/6)" ]
true
15.05
0.829
14.06
6.67
[ 2, 6, 10, 10 ]
[ "10+10+6-2", "10×2+10-6" ]
true
7.25
0.959
7.78
3.05
[ 2, 6, 10, 11 ]
[ "6/2+11+10", "(11+6)×2-10" ]
true
16.5
0.74
13.78
7.07
[ 2, 6, 10, 12 ]
[ "(10-6-2)×12", "(12-10)×6×2", "(6×2-10)×12", "(10+2)×12/6", "(12+2-10)×6", "(10-6)×12/2", "(10-12/2)×6", "(10×6-12)/2", "(12/6+10)×2" ]
true
7.01
0.954
7.47
2.78
[ 2, 6, 10, 13 ]
[ "(6+2)×(13-10)", "10/2+13+6", "(13-6)×2+10" ]
true
12.07
0.848
11.67
5.62
[ 2, 6, 11, 12 ]
[ "11×2+12/6", "12/(6-11/2)", "12×11/6+2" ]
true
16.24
0.772
14.41
6.63
[ 2, 6, 11, 13 ]
[ "(13-11)×6×2", "(13+2-11)×6" ]
true
7.82
0.901
8.01
3.44
[ 2, 6, 12, 12 ]
[ "12×6/2-12", "12/2+12+6", "(12+6)×2-12", "(12-6)×2+12" ]
true
10.27
0.892
10.66
5.14
[ 2, 6, 12, 13 ]
[ "13×2-12/6", "12/(13/2-6)", "13×12/6-2" ]
true
15.13
0.785
13.77
6.11
[ 2, 7, 7, 8 ]
[ "8+7+7+2", "(7/7+2)×8" ]
true
5.65
0.969
5.98
2.02
[ 2, 7, 7, 10 ]
[ "(10/7+2)×7" ]
true
90.16
0.276
28.11
13.67
[ 2, 7, 7, 11 ]
[ "(7-2)×7-11", "(7/7+11)×2" ]
true
7.95
0.863
7.99
3.74
[ 2, 7, 7, 12 ]
[ "12+7+7-2", "12×2+7-7" ]
true
5.3
0.988
5.69
1.9
[ 2, 7, 7, 13 ]
[ "(13-7/7)×2" ]
true
7.28
0.863
7.38
3.13
[ 2, 7, 8, 8 ]
[ "(8+2-7)×8", "(7-8/2)×8", "(8×7-8)/2" ]
true
7.78
0.926
8.16
3.19
[ 2, 7, 8, 9 ]
[ "(9+7)×2-8" ]
true
76.32
0.387
19.6
12.12