如下图①准备一张正方形的纸。
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如图②对折:
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如图③在折的部分再对折:
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将纸连续共折成为十等份
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(3)按照下图的圆弧线剪下,注意:下剪和收剪时剪刀要与折边垂直!
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(4)
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(5) 展开后就是下图的圆了。
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