2/5*7+4/7*11+6/16*22+3/2*5+5/11*16+7/22*29+1/29
问题描述：
2/5*7+4/7*11+6/16*22+3/2*5+5/11*16+7/22*29+1/29
顺便2007+20072007+200720072007+2007200720072007/2006+20062006+200620062006+2006200620062006
答
2/5*7+4/7*11+6/16*22+3/2*5+5/11*16+7/22*29+1/29
=（1/5-1/7+1/7-1/11）+（1/16-1/22+1/2-1/5+1/11-1/16+1/22-1/29）+1/29
=1/5-1/11+1/8+1/2-1/5+1/11
=5/8确定对吗绝对正确