余数是9.5x+51.5z
3x-2y+z能被11整除,则多项式14x-3y+23z被11除的余数是
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x+2y+3z=14 2x+y+z=7 3x+y+2z=11 求x y z00
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设xyz都是整数,且11能整除7x 2y-5z,求证:11能整除3x-7y 12z00
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(1){x+2y+3z=14① {2x+y+z=7②{3x+y+2z=11③00
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一1 .x+z-3=02 .2x-y+2z=23 x-y-z= -3二1.2x+4y+3z=92 3x-2y=5z=1100
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已知x、y、z均为正整数,且7x+2y-5z是11的倍数,那么3x+4y+12z除以11,得到的余数是______.00
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4x-3y-z=-11,2x+2y+z=11,-2x+5y-2z=600
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若x-2y-3z=0且x+2y-11z=0则x-3y-z的值是00
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2x+3y+z=0 3x+y-4z=11 x+y+z=-300
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3x-y+z=3 2x+y-3z=11 x+y+z=12是连式00