Math Booster

用這個快節奏的算術遊戲提高你的自信、速度與數學技能 (+,-,x,÷) ！ 時間耗盡前你能做多少數學題？！你能名列榜首嗎？ 每天練習算術可以建立一生的優勢。 現在就開始！

Math Booster é um jogo de cálculo que vai aumentar a tua velocidade e destreza mental! Com apenas as

Hi, I have a friend who have a child about 7 years old....he was very anxious that his child was not