Soroban Ninja

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版　本：: 1.5
类　型：: 教育学习
下载量：: 31
大　小：: 13.16MB
时　间：: 2016-11-19
语　言：: 其他

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Soroban Ninja, a tournament everyday for the japanese abacus' fans.Gradually progress in levels for addition, multiplication and division.keep up your rank. and practice everyday.Soroban Ninja is a math practice application using the Japanese abacus Soroban to teach kids how to Add, Subtract , Multiply and Divide. Soroban Ninja starts with 1 digit operation and accumulate gradually according to the student level to reach up to 9 digits operations and more. Soroban Ninja can be used starting from preschool and kindergarten where level 1 to 4 are oriented to this age. up to level 40 high school or more.the best practice is to use Soroban Ninja 15-30 min everyday.