PlaySudoku.us
Medium · Puzzle #145
6
8
7
6
8
5
9
9
7
6
5
4
3
9
2
7
1
3
1
9
8
7
4
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5
2
6
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7
1
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6
3
8
5
"Tell me and I forget. Teach me and I remember. Involve me and I learn." — Benjamin Franklin
"Tell me and I forget. Teach me and I remember. Involve me and I learn." — Benjamin Franklin
"In mathematics you don't understand things. You just get used to them." — John von Neumann
"In mathematics you don't understand things. You just get used to them." — John von Neumann