Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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#1 2011-09-30 19:28:25
- John E. Franklin
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- Registered: 2005-08-29
- Posts: 3,588
sums that total ten
-5 + 20 - 5 = 10
-4 + 18 - 4 = 10
-3 + 16 - 3 = 10
-2 + 14 - 2 = 10
-1 + 12 - 1 = 10
0 + 10 + 0 = 10
1 + 8 + 1 = 10
2 + 6 + 2 = 10
3 + 4 + 3 = 10
4 + 2 + 4 = 10
5 + 0 + 5 = 10
6 - 2 + 6 = 10
7 - 4 + 7 = 10
8 - 6 + 8 = 10
9 - 8 + 9 = 10
10 - 10 + 10 = 10
3 + (2 + 2) + (1 + 1 + 1) = 10
1 + 2 + 1 + 2 + 1 + 2 + 1 = 10
(2 + 2 + 1) + (1 + 2 + 2) = 10
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igloo myrtilles fourmis
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#2 2011-10-11 02:50:22
- kireb
- Member
- Registered: 2011-07-19
- Posts: 13
Re: sums that total ten
-100 + 110
there are unlimited answers!
Math in English Math should be a game, shouldn't it?
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