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可在安卓获取Balance Scale Problem Level 2的历史版本
批判性思维 - 天平秤2级
The series in this section on balance transfer unknowns into intuitive geometry
Before doing this exercise, the child should do through the exercises addressing specific issues on the expression: a mystery, two unknowns to familiarize and master the basic method for handling problem and apply the skills when working with expression.
With the completely new approach to the mystery, the series in this section on balance transfer unknowns into intuitive geometry, lively self help children maximize their thinking ability.
Through each exercise, children can develop the ability to build and perfect their knowledge of mathematics through solving specific problems.
Last updated on 2016年07月20日
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Balance Scale Problem Level 2
2.1 by Helen Do
2016年07月20日