软件类别：游戏娱乐\n\n,
软件授权：免费软件\n\n,
运行环境：ios\n\n,
软件语言：英语
\n\n,Play one of eight Arithmetic Invaders games to defend the solar system, learn the names of the planets and master the Grade 2 arithmetic. * Three addition games * Three subtraction games * One division game (halves) * One multiplication game (doubles) * Basic facts about the Solar System * Focus on Math problems to avoid random shoot-out * Complete missions to move to the next level and earn space pilot ranks * Collect insignia * Apply fine motor skills and hand-eye coordination * Watch Video: http://www.youtube.com/watch?v=C5-nZKZ-tYI\n\n
下载地址：iTunes 或者AAP STORE 下载
