能简便简便 (1/3-1/4)除1/2+5/6 (1/2+1/3-1/4)X24 4/9X1/6+5/9除6 4/7-3
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/19 11:14:36
能简便简便 (1/3-1/4)除1/2+5/6 (1/2+1/3-1/4)X24 4/9X1/6+5/9除6 4/7-3/7除15/14
(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
=1/2 x24 +1/3 x24- 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
=4/7-3/7 x14/15
=4/7-2/5
=20/35-14/35
=6/35
=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
=1/2 x24 +1/3 x24- 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
=4/7-3/7 x14/15
=4/7-2/5
=20/35-14/35
=6/35
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