PlusMinus — ASO

提供 Wim Porters AppTrack Ninja。

With PlusMinus you can easily practice your math exercises. In the settings can indicate whether you wish to add or subtract, or both. You can also specify how many exercises you wish to make. If your answer is correct, you will get a nice message! Each exercise is repeated until you have given the right answer. Have fun!

のキーワード可視性、ランクイン検索語、日次の順位変動。 PlusMinus.