NumCompSim-Composition of Numbの紹介
Composition of Numbers - Simulator (NumCompSim) - is a colorful game that will help elementary school children learn math in an interactive and entertaining way. Players will search for the composition of a number on time, passing levels of varying difficulty, from numbers to 10 to numbers to 50, and even by tens. It's all free, so don't miss your chance to help your child become a math genius!
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