Areas covered include numeration, number systems, geometry, measurement, and the use of addition and subtraction in word problems.
其中应用题中含盖的范围有：计算方法、系统学、几何学、测量和使用加法和减法。
Areas covered include numeration, number systems, geometry, measurement, and the use of addition and subtraction in word problems.
其中应用题中含盖的范围有：计算方法、系统学、几何学、测量和使用加法和减法。
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