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 Happy New Year (Posted on 2011-01-01)

2011=670*3+1+2+4+8-9-5

We have just welcomed the New Year, using all 10 digits and 4 basic arithmetic signs(+, -, /, and *).

Try to get 2011 with ALL 10 digits, significantly fewer signs and no brackets.

Hint: My solution uses 10 distinct digits and 3 signs only, but maybe a better solution exists.

 No Solution Yet Submitted by Ady TZIDON No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
 re(2): best I can do -- computer findings | Comment 3 of 9 |

Those solutions of that form:

3629 - 1540 - 78
3629 - 1548 - 70
3629 - 1570 - 48
3629 - 1578 - 40
3809 - 1742 - 56
3809 - 1746 - 52
3809 - 1752 - 46
3809 - 1756 - 42
3926 - 1840 - 75
3926 - 1845 - 70
3926 - 1870 - 45
3926 - 1875 - 40
4025 - 1936 - 78
4025 - 1938 - 76
4025 - 1976 - 38
4025 - 1978 - 36
4052 - 1963 - 78
4052 - 1968 - 73
4052 - 1973 - 68
4052 - 1978 - 63
4169 - 2073 - 85
4169 - 2075 - 83
4169 - 2083 - 75
4169 - 2085 - 73
4619 - 2530 - 78
4619 - 2538 - 70
4619 - 2570 - 38
4619 - 2578 - 30
4709 - 2613 - 85
4709 - 2615 - 83
4709 - 2683 - 15
4709 - 2685 - 13
4907 - 2831 - 65
4907 - 2835 - 61
4907 - 2861 - 35
4907 - 2865 - 31
4916 - 2830 - 75
4916 - 2835 - 70
4916 - 2870 - 35
4916 - 2875 - 30
5249 - 3160 - 78
5249 - 3168 - 70
5249 - 3170 - 68
5249 - 3178 - 60
5906 - 3821 - 74
5906 - 3824 - 71
5906 - 3871 - 24
5906 - 3874 - 21
5942 - 3860 - 71
5942 - 3861 - 70
5942 - 3870 - 61
5942 - 3871 - 60
6014 - 3925 - 78
6014 - 3928 - 75
6014 - 3975 - 28
6014 - 3978 - 25
6041 - 3952 - 78
6041 - 3958 - 72
6041 - 3972 - 58
6041 - 3978 - 52
6239 - 4150 - 78
6239 - 4158 - 70
6239 - 4170 - 58
6239 - 4178 - 50
6905 - 4821 - 73
6905 - 4823 - 71
6905 - 4871 - 23
6905 - 4873 - 21
6932 - 4850 - 71
6932 - 4851 - 70
6932 - 4870 - 51
6932 - 4871 - 50
7031 - 4952 - 68
7031 - 4958 - 62
7031 - 4962 - 58
7031 - 4968 - 52
7139 - 5042 - 86
7139 - 5046 - 82
7139 - 5082 - 46
7139 - 5086 - 42
7319 - 5240 - 68
7319 - 5248 - 60
7319 - 5260 - 48
7319 - 5268 - 40
7409 - 5312 - 86
7409 - 5316 - 82
7409 - 5382 - 16
7409 - 5386 - 12
7904 - 5831 - 62
7904 - 5832 - 61
7904 - 5861 - 32
7904 - 5862 - 31
7913 - 5840 - 62
7913 - 5842 - 60
7913 - 5860 - 42
7913 - 5862 - 40
8012 - 5934 - 67
8012 - 5937 - 64
8012 - 5964 - 37
8012 - 5967 - 34
8021 - 5934 - 76
8021 - 5936 - 74
8021 - 5943 - 67
8021 - 5947 - 63
8021 - 5963 - 47
8021 - 5967 - 43
8021 - 5974 - 36
8021 - 5976 - 34
8129 - 6043 - 75
8129 - 6045 - 73
8129 - 6073 - 45
8129 - 6075 - 43
8309 - 6241 - 57
8309 - 6247 - 51
8309 - 6251 - 47
8309 - 6257 - 41
9128 - 7053 - 64
9128 - 7054 - 63
9128 - 7063 - 54
9128 - 7064 - 53
9146 - 7052 - 83
9146 - 7053 - 82
9146 - 7082 - 53
9146 - 7083 - 52
9236 - 7140 - 85
9236 - 7145 - 80
9236 - 7180 - 45
9236 - 7185 - 40
9254 - 7160 - 83
9254 - 7163 - 80
9254 - 7180 - 63
9254 - 7183 - 60
9308 - 7241 - 56
9308 - 7246 - 51
9308 - 7251 - 46
9308 - 7256 - 41
9416 - 7320 - 85
9416 - 7325 - 80
9416 - 7380 - 25
9416 - 7385 - 20
9452 - 7360 - 81
9452 - 7361 - 80
9452 - 7380 - 61
9452 - 7381 - 60
9506 - 7412 - 83
9506 - 7413 - 82
9506 - 7482 - 13
9506 - 7483 - 12
9614 - 7520 - 83
9614 - 7523 - 80
9614 - 7580 - 23
9614 - 7583 - 20
9632 - 7540 - 81
9632 - 7541 - 80
9632 - 7580 - 41
9632 - 7581 - 40

 Posted by Charlie on 2011-01-01 14:37:50

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