Just before I hit the sack having some fun on my phone
This is Rullo. Pretty fun app. Deselect all the red numbers such that the sum of all the numbers in a single column or row is equal to the corresponding number on the side of the square. FUN!
Better go to sleep and not play again. That was too much fun.
btw here is the app link if you are interested in mathematical fun https://play.google.com/store/apps/details?id=air.com.akkad.rullo&hl=en
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I downloaded this game as well, it is pretty fun. But it gets boring after a while. Haha..
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well then there is the 2-4 mode :D
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So this is sort of like Sudoku in reverse? :)
Reminds me of the time when I had a Nintendo DS -- well I still do, but it's in a deep slumber somewhere out there in the boxes of stuff -- I also had Brain Age to go with it. And sure brain training apps have boomed since then, but that's where the trend really started... Where was I?
Math! Simple math, just quickly solving equations and math puzzles is good for your top meatbox! The time trial element is apparently an important part of it.
Clearly I'm not giving the grey matter quite enough exercise right now...
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It belongs in the group of sudoku-type puzzles. But for sudokus the numerical value of the number is not important whereas for rullo the numerical value is the most important thing.
If you like doing raw calculations you can always try this https://arithmetic.zetamac.com/ :o)
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Too fun to fall asleep ><
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