番号1,2及び3の加算と減算に基づく数学ゲーム。
A mathematics game based on addition and subtraction of the numbers 1, 2 and 3.
Users are given 2 seconds to do mental calculation and select the correct answer.
Last updated on 2015年08月27日
Added a leaderboard that is linked to Google Game Service.
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123 Maths
1.1 by The Apps Garden
2015年08月27日