1.已知丨x丨=2,丨y丨=3,丨z丨=4,且x>y>z,求x,y,z的值2.若丨x丨=0,则x=( );若丨x+2丨=0,则x=( );3.若丨x-2丨=3,求x的值;4.若丨x-2丨+丨y+3丨=0,求x、y的值;5.若丨x-2丨+丨y-3丨+丨z-4丨=0,求x+2y+3z的值

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1.已知丨x丨=2,丨y丨=3,丨z丨=4,且x>y>z,求x,y,z的值2.若丨x丨=0,则x=( );若丨x+2丨=0,则x=( );3.若丨x-2丨=3,求x的值;4.若丨x-2丨+丨y+3丨=0,求x、y的值;5.若丨x-2丨+丨y-3丨+丨z-4丨=0,求x+2y+3z的值

1.已知丨x丨=2,丨y丨=3,丨z丨=4,且x>y>z,求x,y,z的值2.若丨x丨=0,则x=( );若丨x+2丨=0,则x=( );3.若丨x-2丨=3,求x的值;4.若丨x-2丨+丨y+3丨=0,求x、y的值;5.若丨x-2丨+丨y-3丨+丨z-4丨=0,求x+2y+3z的值
1.已知丨x丨=2,丨y丨=3,丨z丨=4,且x>y>z,求x,y,z的值
2.若丨x丨=0,则x=( );若丨x+2丨=0,则x=( );
3.若丨x-2丨=3,求x的值;
4.若丨x-2丨+丨y+3丨=0,求x、y的值;
5.若丨x-2丨+丨y-3丨+丨z-4丨=0,求x+2y+3z的值;

1.已知丨x丨=2,丨y丨=3,丨z丨=4,且x>y>z,求x,y,z的值2.若丨x丨=0,则x=( );若丨x+2丨=0,则x=( );3.若丨x-2丨=3,求x的值;4.若丨x-2丨+丨y+3丨=0,求x、y的值;5.若丨x-2丨+丨y-3丨+丨z-4丨=0,求x+2y+3z的值
1.x=+2,-2.y=-3.z=-4
2.x=0,x=-2
3.x=5,x=-1
4.x=2,y=-3
5.20