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复习了北师大版小学数学六年级上册《分数、百分数的应用》后,练习时教师将原版六年级上册的一道关于粉刷墙壁的百分数应用问题改编如下:
Review of the Beijing Normal University version of primary school mathematics sixth grade on the “scores, the percentage of application”, the teacher practicing the original sixth grade on a painting wall percentage application problems adapted as follows: