15x561=165x51 23x352=253x32 24x462=264x42 34x473=374x43 41x154=451x14 63x396=693x3615x561=165x5123x352=253x3224x462=264x4234x473=374x4341x154=451x1463x396=693x36.以上每个等式中两边数字是分别对称的,且每个等式中组成的两位数
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 12:59:58
![15x561=165x51 23x352=253x32 24x462=264x42 34x473=374x43 41x154=451x14 63x396=693x3615x561=165x5123x352=253x3224x462=264x4234x473=374x4341x154=451x1463x396=693x36.以上每个等式中两边数字是分别对称的,且每个等式中组成的两位数](/uploads/image/z/1743424-16-4.jpg?t=15x561%3D165x51+23x352%3D253x32+24x462%3D264x42+34x473%3D374x43+41x154%3D451x14+63x396%3D693x3615x561%3D165x5123x352%3D253x3224x462%3D264x4234x473%3D374x4341x154%3D451x1463x396%3D693x36.%E4%BB%A5%E4%B8%8A%E6%AF%8F%E4%B8%AA%E7%AD%89%E5%BC%8F%E4%B8%AD%E4%B8%A4%E8%BE%B9%E6%95%B0%E5%AD%97%E6%98%AF%E5%88%86%E5%88%AB%E5%AF%B9%E7%A7%B0%E7%9A%84%2C%E4%B8%94%E6%AF%8F%E4%B8%AA%E7%AD%89%E5%BC%8F%E4%B8%AD%E7%BB%84%E6%88%90%E7%9A%84%E4%B8%A4%E4%BD%8D%E6%95%B0)
15x561=165x51 23x352=253x32 24x462=264x42 34x473=374x43 41x154=451x14 63x396=693x3615x561=165x5123x352=253x3224x462=264x4234x473=374x4341x154=451x1463x396=693x36.以上每个等式中两边数字是分别对称的,且每个等式中组成的两位数
15x561=165x51 23x352=253x32 24x462=264x42 34x473=374x43 41x154=451x14 63x396=693x36
15x561=165x51
23x352=253x32
24x462=264x42
34x473=374x43
41x154=451x14
63x396=693x36
.
以上每个等式中两边数字是分别对称的,且每个等式中组成的两位数与三位数的数字之间具有相同规律,我们称这类等式为“数字对称等式”
设这类等式左边两位是的十位数字为a,个位数字为b,其中n≤a+b≤m.
问:直接写出m、n所表示的数值.
求解~~~想了半天想不出来 ~~
15x561=165x51 23x352=253x32 24x462=264x42 34x473=374x43 41x154=451x14 63x396=693x3615x561=165x5123x352=253x3224x462=264x4234x473=374x4341x154=451x1463x396=693x36.以上每个等式中两边数字是分别对称的,且每个等式中组成的两位数
a+b不就是三位数中的那个十位数字嘛,数字最大的就是9,所以m=9;
等式左边的两位数是ab,右边的两位数是ba,如果a和b中的其中一个是零等式就是 a0+aa0=0aa+0a(例如50+550=055+05肯定是不对的),a和b如果都是零就没意思了,所以a和b最小都为1,n就等于2了
n为5,m为9