(7)36 (8)200×90%÷4/5 ( 240×2/5+54)÷3/5
(1)x/(1-1/5)=24(2)4/5/x=24(3)4/5x=24(4)1/2+1/4+1/8+1/10+1/32
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相关问题
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1/x(x+2)+1/(x+2)(x+4)+...+1/(x+8)(x+10)=5/24x
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1x2/1+2x3/1+3x4/1+4x5/1+...23x24/1
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1.1/8:5/8=x:24 2.3/4:x=3:12
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解方程.1.2X=7.2 X+1.5=10 4(X+2.4)=24.8 5X-4*9=24 0.81/X=0.9 6+4
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x-4=2X[1.5(x-4)-24]
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(-5/24)x8/15x(-3/2)x1/4
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4x-x=24 1.5x-x=1 3.2x-1=63 6.6x-5x=8
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1/√X(√X+2)+1/(√X+2)(√X+4)+.+1/(√X+8)(√X+10)=5/24 求X的值
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方程:①1-4/5X-1/5=1/2 ②5X+10=3X+12 ③2×(24+3X)=45+7X
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1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比