问题标题:
【能简便简便(1/3-1/4)除1/2+5/6(1/2+1/3-1/4)X244/9X1/6+5/9除64/7-3/7除15/14】
问题描述:
能简便简便(1/3-1/4)除1/2+5/6(1/2+1/3-1/4)X244/9X1/6+5/9除64/7-3/7除15/14
田凤军回答:
(1/3-1/4)除1/2+5/6
=1/3除1/2-1/4除1/2+5/6
=2/3-1/2+5/6
=4/6-3/6+5/6
=6/6
=1
(1/2+1/3-1/4)X24
=1/2x24+1/3x24-1/4x24
=12+8-6
=14
4/9X1/6+5/9除6
=4/9X1/6+5/9X1/6
=(4/9+5/9)X1/6
=9/9X1/6
=1/6
4/7-3/7除15/14
=4/7-3/7x14/15
=4/7-2/5
=20/35-14/35
=6/35
点击显示
数学推荐
热门数学推荐