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1. The engineer used a decimal fraction format to calculate the area of the circle.
这位工程师使用十进制分数格式来计算圆的面积。
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2. In mathematics, decimal fractions are used to represent fractions with decimal points.
在数学中,十进制分数用于表示带有小数点的分数。
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3. The teacher explained how to use decimal fraction format in solving equations.
老师解释了如何使用十进制分数格式来解决方程。