767676分之191919减去1919分之7676等于多少?
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/29 08:29:00
767676分之191919减去1919分之7676等于多少?
看的懂就行 注:
看的懂就行 注:
![767676分之191919减去1919分之7676等于多少?](/uploads/image/z/12444509-29-9.jpg?t=767676%E5%88%86%E4%B9%8B191919%E5%87%8F%E5%8E%BB1919%E5%88%86%E4%B9%8B7676%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
191919/767676分-1919/(7676/1919)
=19*10101/(76*10101)-1919/(76*101/(19*101))
=19/76-1919/(76/19)
=1/4-1919/4
=-1918/4
=-479-3/4
191919/767676分-(1919/7676)/1919
=19*10101/(76*10101)-1/(4*1919)
=1/4-1/(4*1919)
=1919/(4*1919)-1/(4*1919)
=959/3838
=19*10101/(76*10101)-1919/(76*101/(19*101))
=19/76-1919/(76/19)
=1/4-1919/4
=-1918/4
=-479-3/4
191919/767676分-(1919/7676)/1919
=19*10101/(76*10101)-1/(4*1919)
=1/4-1/(4*1919)
=1919/(4*1919)-1/(4*1919)
=959/3838