求翻译：每天的数学书面家庭作业规定在20分钟以内。老师们一致认为要精心设计学科作业，优化作业内容，创新作业形式.可以在课堂内提高教学效率，精选练习，做到堂堂清.成。是什么意思？

The daily math homework in writing regulations within 20 minutes. The teachers agreed that well-designed academic operations, optimize the operation content, innovation and jobs in the form. Can to improve the efficiency of teaching, selection of exercises in the classroom, so dignified clear. Into.

Every day that the math homework in writing within 20 minutes. It was agreed that teachers should be well-designed interdisciplinary job to optimize the contents of the job, innovative Job form in the classroom to enhance teaching effectiveness, exercise selection, do impressively clear. .

Daily mathematics written homework stipulation in 20 minutes.Teachers thought must design the discipline work carefully, the optimized work content, the innovation work form. May enhance the teaching efficiency in the classroom, the selection practice, achieves solemnly clear. Becoming.

Mathematical provisions written homework every day in less than 20 minutes. The teachers agreed to carefully design the job, optimizing job content, innovative job. can improve teaching efficiency in the classroom, the selection exercise, do clear..

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