这是一款适合幼儿园及小学生使用的数学算术学习应用，包含加减乘除运算、混合计算、历史记录推荐题目，增强孩子的算术能力，是孩子学习数学的好帮手。
This is a suitable for kindergarten, primary school students to learn math arithmetic, arithmetic practice App.
Main functions:
- addition, subtraction, multiplication and division of any numeric range (0~100).
- mixed calculation of each grade according to the outline design.
- recommended questions according to the historical records, and enhanced the arithmetic ability.
- draft calculus.
Let children in the entertainment to improve their math ability, is a good helper for children to learn math.
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