这是六年级的题，请问用简便方法如何解。
第1个回答 推荐于2021-02-11
=1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1/5-1/10=1/10本回答被提问者采纳
=1/5-1/10=1/10本回答被提问者采纳
第2个回答 2009-09-13
1/5x1/6+1/6x1/7+1/7x1/8+1/8x1/9+1/9x1/10
=1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1/10
=1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1/10
第3个回答 2009-09-13
1/5x1/6+1/6x1/7+1/7x1/8+1/8x1/9+1/9x1/10==1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9+1/9-1/10
=1/5-1/10
=1/10
=1/5-1/10
=1/10
