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10 Wins Calc - Subtraction2


4.6 ( 416 ratings )
Istruzione
Sviluppatore takeshi nakamura
0.99 USD

Mental arithmetic training application.
If you win 10 games in a row, you will go to the next level.

level1 : 12-10, 15-10, ...
level2 : 10-2, 10-7, ...
level3 : 11-3, 11-6, ...
...
level9 : 17-8, 18-9,...
level10 : Review Questions

In Japan, 6-7 years old (1st grade)