5/9+/7+3/4+2/9+5/9+1/5+1/12+14/15+12/13+1/8+2/3=?
问题描述:
5/9+/7+3/4+2/9+5/9+1/5+1/12+14/15+12/13+1/8+2/3=?
答
254/452
5/9+/7+3/4+2/9+5/9+1/5+1/12+14/15+12/13+1/8+2/3=?
254/452