解不等式.(1)2X²<5X-2 (2)11X-5-2X²≥0
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解不等式.(1)2X²<5X-2 (2)11X-5-2X²≥0
解不等式.(1)2X²<5X-2 (2)11X-5-2X²≥0
解不等式.(1)2X²<5X-2 (2)11X-5-2X²≥0
1、2x²-5x+2
1.2x^2<5x-2
2x^2-5x+2<0
(x-2)(2x-1)<0
1/2
2x^2-11x+5≤0
(x-5)(2x-1)≤0
1/2≤x≤5