x2–6x+8≥0 (x-2)(x-4)≥0 x≥4,X≤2
,x-1/5-x≥0 ,x-1-5x≥0 -4x≥1 X≤-1/4
公共解x≤-1/4
{x2–6x+8≥0,x-1/5-x≥0
1个回答
相关问题
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3x1.8-0.6X=5.1 0.5（3+X）=6.2 X÷0.5-10+2=0
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解方程：x-0.1x=0.634.4x=5.6=5.6=10=2.4x 2x除8+3x除6=6 8.8-5(x-0.2)
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解几个方程0.5x-2(0.2x-0.1)=0.8 x-6=3\5x+2 5x-{1-2[x+(x-2)]}x=1-x/
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5(2-x)=-(2x-7) 0.5x-2=0.8(2x-1.5) 2(x+0.5)-3(x-0.4)=5.6
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(5x-0.3)/0.4=(3x-1.2)/0.6-(1.8-8x)/1.2
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0.8-X-8.5*2=7 X-0.75X+1.6=12 5.6+X4X=17.28 40+X=468 X+0.2X=3
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x:3=7/8:1/49:x=4.5/0.81/6:2/5=1/2:2x3/8:x=5%:0.6
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14.5-5／2﹙x+3﹚＝0.1／0.15x－0.6／0.4x－2.8
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2x-1/6=1-0.2x/8(2x-1)/6=(1-0.2x)/8
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5（x+1.2)-1.5=8x+0.6