如果{x>a,x<5}有6个整数解,求a的取值范围
\u82e5\u5173\u4e8ex\u7684\u4e0d\u7b49\u5f0f\u7ec4\uff0cx>-5\uff0cx<-m/3.\u5171\u67096\u4e2a\u6574\u6570\u89e3\uff0c\u6c42M\u7684\u53d6\u503c\u8303\u56f4\u3002x>-5\uff0cx<-m/3
-5<x<-m/3
x=-4\u3001-3\u3001-2\u3001-1\u30010\u30011
\u6240\u4ee51<-m/3<=2
\u8fd9\u91cc\u4e0d\u80fd1<=-m/3<=2
\u56e0\u4e3a\u53d6\u7b49
\u76f8\u5f53\u4e8e-5<x<1
\u6b64\u65f6x\u4e0d\u80fd\u53d61\u4e86
\u7b49\u4e8e2
-5<x<2
x=-4\u3001-3\u3001-2\u3001-1\u30010\u30011
\u6210\u7acb
\u5982\u679c\u4f60\u8ba4\u53ef\u6211\u7684\u56de\u7b54\uff0c\u8bf7\u70b9\u51fb\u201c\u91c7\u7eb3\u4e3a\u6ee1\u610f\u7b54\u6848\u201d,\u795d\u5b66\u4e60\u8fdb\u6b65\uff01
\u89e3\uff1a
\u2235x>m,x<2
\u2234m<x<2
\u4ece\u800c6\u4e2a\u6574\u6570\u89e3\u5206\u522b\u4e3a\uff1a1 0 -1 -2 -3 -4
\u4e8e\u662f
-5\u2264m<-4
x<5的整数有6个时，x的最小整数为-2,，又x>a，所以x>-3
x＜5
4，3，2，1，0，-1，-2……
x>a有6个整数解4，3，2，1，0，-1
所以x>-2
绛旓細銆愮瓟妗堛戯細閲囩敤瀹炴暟鐨勫尯闂存硶琛ㄧず锛欰=(3锛5)锛孊=(4锛+鈭)锛屽垯鏈 (1)A鈭狟=(3,+鈭)={x|x锛3} (2)A鈭〣=(4,5)={x|4锛渪锛5} (3)A-B=(3,4]={x|3锛渪鈮4}
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