576/1764 X (27/64) 求简便的算法
问题描述:
576/1764 X (27/64) 求简便的算法
答
576=24X24=4X6X4X6
1764=42X42=7X6X7X6
576/1764 X (27/64)
=(576X64)/(1764 X27)
=(24X24X8X8)/(42X42X3X3X3)
=(4X4X8X8)/(7X7X3X3X3)
=1024/441