道路算法问题|五年级奥数题及答案

道路算法问题|五年级奥数题及答案
道路算法问题：(中等难度)

如图，某城市的街道由5条东西向马路和7条南北向马路组成.现在要从西南角的A处沿最短路线走到东北角的B处，有多少种不同走法?

nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" href="https://img.peixunla.com/202407/05/092327921.jpg" data-fancybox="images">nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" src="https://img.peixunla.com/202407/05/092327921.jpg" o
nload=resizepic(this)>

 道路算法答案：

nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" href="https://img.peixunla.com/202407/05/092327261.jpg" data-fancybox="images">nmousewheel="return bbimg(this)" border=0 hspace=0 alt="" src="https://img.peixunla.com/202407/05/092327261.jpg" o
nload=resizepic(this)>