3x+4y+5z=3.3和x+y+z=51和3x/5+y+5z/3=53.4帮我解一下方程组,
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![3x+4y+5z=3.3和x+y+z=51和3x/5+y+5z/3=53.4帮我解一下方程组,](/uploads/image/z/266780-20-0.jpg?t=3x%2B4y%2B5z%3D3.3%E5%92%8Cx%2By%2Bz%3D51%E5%92%8C3x%2F5%2By%2B5z%2F3%3D53.4%E5%B8%AE%E6%88%91%E8%A7%A3%E4%B8%80%E4%B8%8B%E6%96%B9%E7%A8%8B%E7%BB%84%2C)
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3x+4y+5z=3.3和x+y+z=51和3x/5+y+5z/3=53.4帮我解一下方程组,
3x+4y+5z=3.3和x+y+z=51和3x/5+y+5z/3=53.4帮我解一下方程组,
3x+4y+5z=3.3和x+y+z=51和3x/5+y+5z/3=53.4帮我解一下方程组,
3x+4y+5z=3.3 (1)
x+y+z=51(2)
3x/5+y+5z/3=53.4
即9x+15y+25z=801 (3)
(2)×5-(1)
2x+y=251.7 (4)
(1)×5-(3)
6x+5y=-784.5 (5)
(4)×5-(5)
4x=2043
x=2043/4
y=251.7-2x=-3849/5
z=51-x-y=6201/20
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解方程组x+y=5和y+z=3和z+x=4
C语言if语句和if… else语句技巧当x=3,y=4,z=5时,xyz值分别为多少.1.if(x>z){x=y;y=z;z=x;} else{x=z;z=y;y=x} x,y,z值 2..if(x>z) x=z; else x=z;z=y;y=x ; x,y,z值 3.if(x!>z) x=z; else x=z;z=y;y=x ; x,y,z值 各自有什么区别?
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