鼠头图案|六年级奥数题及答案

鼠头图案|六年级奥数题及答案

nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" href="https://img.peixunla.com/202407/05/100105411.jpg" data-fancybox="images">nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" src="https://img.peixunla.com/202407/05/100105411.jpg" o
nload=resizepic(this)>

小明用一些半径为1厘米，2厘米，4厘米，和8厘米的圆，半圆，圆弧和一个正方形组成的一个鼠头图案，图中阴影部分的总面积为_______平方厘米。
nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" href="https://img.peixunla.com/202407/05/100105961.jpg" data-fancybox="images">nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" src="https://img.peixunla.com/202407/05/100105961.jpg" o
nload=resizepic(this)>


nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" href="https://img.peixunla.com/202407/05/100105771.jpg" data-fancybox="images">nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" src="https://img.peixunla.com/202407/05/100105771.jpg" o
nload=resizepic(this)>