已知³√x=4 且(y-2z+1)²+√2-3=0 求³√x+y³+z³
已知;³√x=4且(y-2z+1)²+√z-3=0求x+y³+z³的立方根
已知³√x=4 且(y-2z+1)²+√2-3=0 求³√x+y³+z³
已知三次立方根号x等于4,根号√2y-z+1+(z-3)²=0,求√x-y³-z³的值
已知x,y,z为正整数,且满足x³-y³-z³=3xyz,x²=2(y+z),求
已知³√x=4,且(y-5)²+√z-3=0,求x+y³+z³的立方根
已知(x²-1)²+|2y³-686|+√z+√4=0,求z(x+y)的值.
已知x/2=y/3=z/4,且x+y+z不等于0,求2x+3y-4z/x+y+z的值
已知3x-2y-5z=0,2x-5y+4z=0,且x,y,z均不为0,求3x*x+2y*y+5z*z/5x*x+y*y-
已知x:y:z=2:3:4,且x-y+z=36,求x+y+z的值.
已知x:y:z=2:3:4,且x+y+z=18,求x,y,z的值
已知3x-2y-5z=0,2x-5y+4z=0,且x,y,z都不为0,求(3x*x+y*y+4z*z)/(5x*x+y*
已知实数x、y、z满足丨4x-4y+1丨+1/3√2y+z+(z-½)²=0,求(y+z)·x