(17/25x3/50)x30/51x125如何简便运算
问题描述:
(17/25x3/50)x30/51x125如何简便运算
答
(17/25x3/50)x30/51x125
=(17*3*30*125)/(25*50*51)
=(17*3*10*3*25*5)/(25*10*5*17*3)
=3