已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 13:25:36
![已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是](/uploads/image/z/13392795-3-5.jpg?t=%E5%B7%B2%E7%9F%A5%E6%95%B0%E8%BD%B4%E4%B8%8A%E8%A1%A8%E7%A4%BA%E8%B4%9F%E6%9C%89%E7%90%86%E6%95%B0m%E7%9A%84%E7%82%B9%E6%98%AF%E7%82%B9M%2C%E9%82%A3%E4%B9%88%E5%9C%A8%E6%95%B0%E8%BD%B4%E4%B8%8A%E4%B8%8EM%E7%9B%B8%E8%81%9A%2FM%2F%E4%B8%AA%E5%8D%95%E4%BD%8D%E7%9A%84%E7%82%B9%E4%B8%AD%2C%E4%B8%8E%E5%8E%9F%E7%82%B9%E8%B7%9D%E7%A6%BB%E8%BE%83%E8%BF%9C%E7%9A%84%E7%82%B9%E5%AF%B9%E5%BA%94%E7%9A%84%E6%95%B0%E6%98%AF)
已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是
已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是
已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是
已知数轴上表示负有理数m的点是点M,那么在数轴上与M相距|m|个单位的点中,与原点距离较远的点对应的数是?
设点为x,则
|x-m|=|m|
x-m=m或x-m=-m
所以
与负有理数m相距|m|个单位的点是2m和0
所以
与原点距离较远的点对应的数是2m.
与原点距离较远的点所对应的点:2m
不知道······~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`````````````````````````````````````...
全部展开
不知道······~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````
beiwoshuala
收起
已知点M表示负数m,所以点M在原点左边,
所以与M相聚/M/个单位的点中,与原点距离较远的点应在点M得左边,也是负数
因为/M/=/m/,
所以那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是2m
已知数轴上表示负有理数m的点是点M,那么在数轴上与M相聚/M/个单位的点中,与原点距离较远的点对应的数是2m .
0