x=400 Y=-120
求解12X+10Y=3600 18X+10Y=6000
1个回答
相关问题
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y=-10x+100x+6000
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y=-10x²+100x+6000怎么配方
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24(1/x+1/y)=1 18(1/x+1/ y)+10/x=1 求解这个方程组
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x²+7x+10 x²-2x-8 y²-7y+12 x²+7x-18
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(1560-X)/X*100%=25% (1350-Y)/Y*100%=-10%求解
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求解方程组:X/4+Y/3=1 X-2y=2 和 5x+2y=10 (8X+3y)(10X+4Y
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(-2x^4y^5)^3 (-3x^3y^)^/(-12x^10y^10)
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{x-y=100 {12%x-10%y=100
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y÷(12-x)= 10,y÷(12+x)= 6
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解方程组:2/(x+y)+5/(x-y)=18 9/(x+y)-10/(y-x)=66