Arrange numbers into the given pattern so numbers in red squares are the sum of adjacent squares and numbers in gray squares are the difference of the numbers in adjacent squares. Simple to understand, but not so simple to do! 42 puzzles in all - the further you go, the more challenging they become! Another original John L. Lehet math puzzle.
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | Android Google Play | 1.0 App下載 | USD$1.99 | 1970-01-01 | 2015-03-07 |
