画出下列不等式表示的平面区域:①x+y-1<0 ②x+y>0 ③x-2y+1<0 ④3x-4y-12≥0⑤x-2y+4≥0
①x+y-1<0②x+y>0③x-2y+1<0④3x-4y-12≥0⑤x-2y+4≥0⑥y>2x⑦x-y+5≥0⑧x+y+1≥0⑨-x≤3⑩2y-5x-10>0Τ...
①x+y-1<0 ②x+y>0 ③x-2y+1<0 ④3x-4y-12≥0 ⑤x-2y+4≥0
⑥y>2x ⑦x-y+5≥0 ⑧x+y+1≥0 ⑨-x≤3 ⑩2y-5x-10>0
⑪3x+2y<6 ⑫x+3y-6<0 ⑬x+y≥0 ⑭x-y≤3 ⑮2x-y-3≥0 展开
⑥y>2x ⑦x-y+5≥0 ⑧x+y+1≥0 ⑨-x≤3 ⑩2y-5x-10>0
⑪3x+2y<6 ⑫x+3y-6<0 ⑬x+y≥0 ⑭x-y≤3 ⑮2x-y-3≥0 展开
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