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Many nice solutions can be found in the thread. I was really surprised by the number of creative constructions. Here my favorites:
brianjn (+15):
I award brianjn plus 15 points for the funniest "solution"
Larry (+10) For the first correct solution:
1000=9*99 + 99 + 9 + 99/99
Penny (+10) For being first to find my original solution (I really had only one solution in mind...):
1000=999 + 999/999
Frederico (+5) For addressing the general problem of n nine's with 7<=n<=9 and the use of brackets.
Gamer (+5) For finding another one:
1000=9999/9 - 999/9
Dej Mar (+20) For the most comprehensive solution:
9999/9 - 999/9
999 + 999/999
999 + 99/99 * 9/9
999 + 9/9 * 99/99
999 + 9/9 * 9/9 * 9/9
999 + 99/99 + 9 - 9
999 + 9/9 + 9/9 - 9/9
999 + 9/9 + 99 - 99
999 + 9/9 + 9*9 - 9*9
999 + 9/9 + 9*9/9 - 9
999 + 9/9 - 9*9/9 + 9
999 + 9/9 + 9/9*9 - 9
999 + 9/9 - 9/9*9 + 9
999 + 99^9 / 99^9
999 + 9^99 / 9^99
999 + 9^9 / 9^9 * 9/9
999 + 9^9 / 9^9 + 9 - 9
999 + 9^99 * 99^-9
999 + 9^99 * 9^-99
999 + 9^9 * 9^-9 * 9/9
999 + 9^9 * 9^-9 + 9 - 9
999 + 9^9^9 / 9^9^9
Richard (+5):
For a valuable speling leson, although I fear I'm a lost case.
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