In contrast, the main form of math experiment in junior and senior high schools gives priority to demonstrations by teachers but not students themselves.

相比之下，中学数学实验的主要形式仍然以教师演示为主，而不是学生亲自动手实验。

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Or maybe algebra is fun and Dragonbox is an app that teaches adults how algebra can be more than just an abstract intellectual torture device employed by junior high math teachers.

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