(25%加3/8)乘(13/17除13/17除5/8)的简便算法
问题描述:
(25%加3/8)乘(13/17除13/17除5/8)的简便算法
答
(13/17*17/13*8/5)*(3/8+25%)=8/5*3/8+8/5*25% =3/5+8/5*1/4 = 3/5+2/5 ...
(25%加3/8)乘(13/17除13/17除5/8)的简便算法
(13/17*17/13*8/5)*(3/8+25%)=8/5*3/8+8/5*25% =3/5+8/5*1/4 = 3/5+2/5 ...