已知数m,x,y满足①4/3* (x-5)² +5*丨m丨=0;②-3a² b(括号的是b的指数:y
已知数m,x,y满足①4/3(x-5)^2+5|m|=0;②-3a^2b^(y+1)与4b^3a^2是同类项,求多项式2
下列各式添括号正确的是:( ) A.-x+y=-(y-x) B.x-y=-(x+y) C.10-m=5(2-m) D.3
已知m,x,y满足条件:(1)2/3(x-5)²+5×(m的绝对值)=0;(2)-2a²b^(y+1
已知m,x,y满足:(2/5)(x+y)^2+3|m|=0;-3a^2b^y+4与2a^2b^3是同类项 ,
已知实数x,y,m满足根号x+2+|3x+y+m|=0,且y为负数,则m的取值范围是() a.m>6 b.m<6 c.m
已知m,x,y满足2/3(x-5)²+5|m|=0,(2)-2a²b^(y+1)与7a²b
已知m、x、y满足①2/3(x-5)²+5|m|=0,②-2a²b³是同类项,求代数式5m
已知【x+y】/【2x+2y】=x+y/2x+2y=1/2 则x,y满足的条件是 A |x+y|>0 B m-3/m+1
已知m、x、y满足:①(x-5)^2+5|m|=0;②:-2a^2b^y+1与3a^2b^3是同类项,求代数式5m^2x
已知m,x,y满足①(x-5)^2+|m-2|=0,②-2a b^y+1,与3a^2 b^3是同类项,求代数式5m^2x
y已知m.x.y满足2/3(x-5)平方+5 |m|=0;(2)-2a的平方b的y+1与7b的三次方a的二次方是同类项求
已知方程组y-2x=m,2y+3x=m+1的解x,y满足x+3y大于等于0,则m的取值范围是 A.m大于等于-1/2 B