One 2 Nine

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How to play?

Place the numbers 1 to 9 in the grid. Don’t repeat any numbers.

The calculation of each row and each column should match the indicated target.

Click to select a game.

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HELP

How to play

Use numbers 1 to 9 and don’t repeat any numbers.

The calculation of each row and each column should match the indicated target.

Click to select which game you want to play. For example the ++ game or the +− game.

Each game calculates the numbers in a different way. Try them all.

Examples:


++

Example ++

Rows: 6+2+3 = 11   5+4+7 = 16 … etc.

Columns: 6+5+1 = 12 … etc.



−−

Example +−

Rows: 9−6−7 = −4   8−1−4 = 3 … etc.

Columns: 9−8−3 = −2 … etc.



+−

Example --

Rows: 4+1−2 = 3   7+3−5 = 5 … etc.

Columns: 4+7−8 = 3 … etc.



××

Example xx

Rows: 4×5×8 = 160   2×6×1 = 12 … etc.

Columns: 4×2×7 = 56 … etc.



×+

Example x+

Rows: 9×1+5 = 14   2×3+6 = 12 … etc.

Columns: 9×2+8 = 26 … etc.



×−

Example x−

Rows: 1×5−9 = −4   2×6−3 = 9 … etc.

Columns: 1×2−8 = −6 … etc.




STATISTICS

One 2 Nine saves your personal stats to the device or browser you play on. If your browser data are cleared, your personal statistics will be erased as well.

One 2 Nine   v3.2 2024-04-17

2024 Hein Bijlmakers
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SELECT A GAME

Each game uses a different combination of addition “+”, subtraction “−” and multiplication “×” to calculate the target values.

The −− and the +− games are usually the most difficult ones.







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STATISTICS



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