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Reverse one digit addition

This App "Reverse one digit addition" is one digit addition training App. And this is a search game and speed ...

Free

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This App "Reverse one digit addition" is one digit addition training App. And this is a search game and speed puzzle game, too.
This is the Reverse version of my App "one digit additon".
There are 9 questions on nine stages, random 81 questions.
ex.)
Find '8+4' from '12', Find '3+4' from '7'.

Size

4.2 MB

Last update

June 30, 2020

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