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Mental Math Master
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Math Land:心算、加法和減法遊戲
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Gogomath - Fun Math Game
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Funexpected 數學
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Monster Math 2: Fun Kids Games
Makkajai: Math Games for 1st, 2nd, 3rd, 4th grade
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Matix - Mental math game
One Color Games ApS
數學挑戰王 : 加減乘除數學遊戲
AppStar Studio