求3x+11y=50

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求3x+11y=50
2Y:30%=3X:50%求X:Y

2Y:30%=3X:50%求X:Y2Y:30%=3X:50%求X:Y2Y:30%=3X:50%求X:Y因为2Y:30%=3X:50%所以3x*30%=2y*50%所以0.9x=yx:y=1:0.9=1

求 X Y公式X+Y=50Y/X=3X+Y=100Y/X=3求 x y...公式

求XY公式X+Y=50Y/X=3X+Y=100Y/X=3求xy...公式求XY公式X+Y=50Y/X=3X+Y=100Y/X=3求xy...公式求XY公式X+Y=50Y/X=3X+Y=100Y/X=3

已知:3x-5y=0,求x/y,x-y/y,x-y/x

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3x-2y=15 3y-2x=11 求x+y

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若3x-2y=15,3y-2x=11,求x+y

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x+(11-3)*y=17 x+(23-3)*y=35 求x,y

x+(11-3)*y=17x+(23-3)*y=35求x,yx+(11-3)*y=17x+(23-3)*y=35求x,yx+(11-3)*y=17x+(23-3)*y=35求x,yx+(11-3)*y

x+4y+11=2x+3y求x=?y=?

x+4y+11=2x+3y求x=?y=?x+4y+11=2x+3y求x=?y=?x+4y+11=2x+3y求x=?y=?化简,得x+y=11则y=11-x,将y带入原方程中,得x=11/4,y=33/

x+y=50 3x-y=82 x=? y=?求步骤

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7x+3y=44,11x+2y=61,求x,y

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x+y=11 2x+4y=42 3y+x=31 求x y

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x(x-3y)=4y(x-3y),求x:y

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(x+y)(x+y-10)+25=0,且x-y=3,求x,y

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(x+y)(x+y-10)+25=0,且x-y=3,求x,y

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