啊这，你是刚升初一的吧
by Water_Cows @ 2020-08-01 17:43:22
是的
by 江户川·萝卜 @ 2020-08-01 17:43:40
$x=5,y=2,m=-1$，剩下自己算。
by Trinitrotoluene @ 2020-08-01 17:44:05
$x=5,m=-1$呀？
by LucasXu80 @ 2020-08-01 17:44:23
~~这不是幼儿园题么~~
by Andy_chen @ 2020-08-01 17:44:29
$\dfrac{2}{3}(x-5)^2$ 非负，$5|m+1|$ 非负。
所以 $x-5=0,m+1=0$ ，剩下的会了吧
by Water_Cows @ 2020-08-01 17:44:31
$x=5,m=-1$
by IntrepidStrayer @ 2020-08-01 17:44:32
谢谢
by 江户川·萝卜 @ 2020-08-01 17:44:48
此贴终结
by 江户川·萝卜 @ 2020-08-01 17:44:59
y=2,x=5,m=-1
和要都是单项式的话各项未知数项的次数要相等
by DeepSkyBlue__ @ 2020-08-01 17:45:06