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x+100=y,z+200=x,3x+3y+6z=50236求解
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x+100=y,z+200=x,3x+3y+6z=50236求解
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答案和解析
x+100=y,--------------(1)
z+200=x,--------------(2)
3x+3y+6z=50236--------(3)
由(1),(2)得:y=100+x=300+z,代入(3)得:
3(z+200)+3(300+z)+6z=50236,
12z=50236-1500=48736
z=4061又1/3,
x=4261又1/3,
y=4361又1/3.
z+200=x,--------------(2)
3x+3y+6z=50236--------(3)
由(1),(2)得:y=100+x=300+z,代入(3)得:
3(z+200)+3(300+z)+6z=50236,
12z=50236-1500=48736
z=4061又1/3,
x=4261又1/3,
y=4361又1/3.
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