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!
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Math Booster
Math Booster é um jogo de cálculo que vai aumentar a tua velocidade e destreza mental! Com apenas as
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Hi, I have a friend who have a child about 7 years old....he was very anxious that his child was not
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