addition and subtraction word problems
...法钱字问题 Addition and Subtraction Word Problems：加减文字题 Classification of Addition and Subtraction Word Problems：加减文字题的分类 ..
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addition and subtraction word problems
加减法应用题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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