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HeartHeart - Elementary Arithmetic Operation Trainer


4.8 ( 8048 ratings )
Gesundheit und Fitness Bildung
Entwickler Jonguk Yu
Frei

HeartHeart is simple game using Tens Complement.

The "Tens Complement" is the number we add to make 10.
HeartHeart ask numbers for you, then you input very first
number’s complement to make 10.
if it is correct answer then asking number disappear.
if you can’t remove numbers in time, game will be over.

Tens Complements makes your mental arithmetic a whole lot easier.
This will be very good brain training. Have fun!