99995/4+9995/4+995/4+95/4+5/4=?
问题描述:
99995/4+9995/4+995/4+95/4+5/4=?
简便过程
答
原式=100000/4-5/4+10000/4-5/4+1000/4-5/4+100/4-5/4+5/4
=25000+2500++250+25-15/4
=27775-15/4
=27771又1/4.