文件名称:biaomianjidebianhua
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小学六年级“表面积的变化”,用PPT演示出来后，效果比口授法好许多，适合广大师范类同学学习。-Sixth grade, " surface area change," came out with a PPT presentation, the effect much better than the dictation method is suitable for students studying broad Teacher Education.
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biaomianjidebianhua.ppt