阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4根据你的观察,探究下面的题目”(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值(2)已知△ABC的
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/20 10:00:36
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4根据你的观察,探究下面的题目”(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值(2)已知△ABC的
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4
根据你的观察,探究下面的题目”
(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值
(2)已知△ABC的三边长a、b、c都是正整数,且满足a^2+b^2-6a-8b+25=0,求△ABC的最大边c的值
(3)已知a-b=4,ab+c^2-6c+13=0,则a+b+c=____
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4根据你的观察,探究下面的题目”(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值(2)已知△ABC的
阅读材料:若m2-2mn+2n2-8n+16=0,求m、n的值. ∵m2-2mn+2n2-8n+16=0,∴(m2-2mn+n2)+(n2-8n+16阅读材料:若m2-2mn+2n2-8n+16=0,求m、n的值.∵m2-2mn+2n2-8n+16=0,∴(m2-2mn+n2)+(n2-8n+16)=0∴(m-n)2+(n-4)2=0,∴
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4根据你的观察,探究下面的题目”(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值(2)已知△ABC的
阅读材料:若m^2-2mn+2n^2-8n+16=0,求m,n的值.∵m^2-2mn+2n^2-8n+16=0∴(m^2-2mn+n^2)+(n^2-8n+16)=0∴(m-n)^2=0,(n-4)^2=0,∴n=4,m=4根据你的观察,探究下面的题目”(1)已知x^2+2xy+2y^2+2y+1=0,求2X+y的值(2)已知△ABC的
8m平方n+2mn 因式分解?
8m²n+2mn 因式分解
若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值
因式分解:8mn(m-n)+2(m-n)³
因式分解:8mn(n-m)+2(n-m)^3
因式分解:8mn(n-m)+2(n-m)^3,
若(m+n)^2-mn(m+n)=(m+n)·M,则M是() A.m^2+n^2 B.m^2-mn+n^2 C.m^2-3mn+n^2 D.m^2+mn+n^2
(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0
2mn[(2mn)^2-3n(mn+m^2*n)-mn^2]计算
2mn[(2mn)²-3n(mn+m²n)-mn²
(5mn-2m+3n)+(-7m-7mn)
(5mn-2m+3n)+(-7m-7mn)
m^+2n-mn-2m