允许他们自由地使用计算器。

Allow them to tinker freely with calculators.

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灵活性的另一方面是可以自由地使用新工具并与新技术集成。

Another element of flexibility is the freedom to use new tools and integrate with new technologies.

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很多小孩不被允许自由地使用左手或右手来学习，一直到最近才有好转。

Until recently, many children were not allowed a free hand when it comes to handedness.

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