求手写答案。。 求手写答案，详细。
\u7b2c3\u9898\uff0c\u6c42\u624b\u5199\u7b54\u6848\uff0c\u8981\u6709\u8fc7\u7a0b\u54e6\u8fd9\u4e2a\u662f\u5927\u5b66\u7684\u9ad8\u6570\u8bc1\u660e\u9898\u554a\uff0c\u4e3b\u8981\u7528\u5230\u4e00\u4e2a\u5b9a\u7406\uff0c\u65e0\u7a77\u5c0f\u4e58\u4ee5\u6709\u754c\u51fd\u6570\uff08\u6216\u6570\u503c\uff09\u4ecd\u7136\u4e3a\u65e0\u7a77\u5c0f\uff0c\u4f60\u8bb0\u4f4f\u5c31\u884c\u4e86\uff0c\u8003\u8bd5\u4e0d\u8003\u8bc1\u660e\u9898\u554a
\u7531\u6761\u4ef6\u5f97\u5230
m-3/4\u22650\u4e14m\u22641
n\u22650\u4e14n+1/3\u22641
\u22340.5\u2264m\u22641,0\u2264n\u22642/3
|M|=0.75
|N|=1/3
|U|=1
\u96c6\u5408M\u2229N\u7684\u957f\u5ea6\u7684\u6700\u5c0f\u503c|M\u2229N|=0.75+1/3-1=1/12
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绛旓細A C O B -1 = A-1 -A-1CB-1 O B-1 A O C B -1 = A-1 O -B-1CA-1 B
绛旓細鍥炵瓟锛氱敤鏍圭郴鏁扮殑鍏崇郴 鈭-(b/a)=-3+1=-2,(c/a)=(2/a)=-3脳1=-3 鈭碼=-(2/3),b=-(4/3), y=-(2/3)(x^2)-(4/3)x+2
绛旓細鍥炵瓟锛氳В:鍥犱负(x鈥1)*2=4 鎵浠(x鈥1)*2=2*2 涓よ竟鍘绘帀骞虫柟鐨剎鈥1=2 鎵浠=3
绛旓細鍥炵瓟锛1 5(y-x)(2ay-2ax-b) 2 (2x+y)(2x-y) 3 (3x+1)^2 4 (4+m/5)(4-m/5) (ab+c)(ab-c)
