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x^2-4(0.5-0.25x)(1.5-0.75X)-24(0.5-0.25X)^2
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相关问题
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不等式(2x-0.5)/0.5-(2x-1.4)/0.2>(0.5-x)/0.25
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0.5X0.8X0.2X1.25X0.4X2.5
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1.2.3.1/5X+1/5=1/4 6×9-0.5X=26.8 0.75:X=1.25:24.5.6.2X+0.3X=
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求未知数x. [5/6]x-0.4=3.4 4(x+0.2)=2.4 [5/8]:x=0.25:3 [1.25/0.25
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x÷0.5-2.25=0.75
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1.25/47=0.75:x 8/x=2/5 0.6/19=1.5:x 3/4:5/12=x:2/
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1.25x0.59x0.8简便算法.9.8x25 0.32x1.25 0.4x2.5x12.5x0.8
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(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算
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4x+0.5*5=9.5 0.25x*3=0.3x2
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(x+2)/(0.25)+x/(0.5)=1