一道简便运算
问题描述：
一道简便运算
4.27÷26.8×3.59÷42.7×2.68÷35.9
答
4.27÷26.8×3.59÷42.7×2.68÷35.9
=1/10÷26.8×3.59×2.68÷35.9
=1/10×3.59×1/10÷35.9
=1/10×1/10×1/10
=1/1000