骞抽潰鐩磋鍧愭爣绯讳腑鍑犱綍缁煎悎棰?/p>
1
锛庡鍥惧湪骞抽潰鐩磋鍧愭爣绯讳腑锛?/p>
A
锛?/p>
a
锛?/p>
0
锛?/p>
锛?/p>
B
锛?/p>
b
锛?/p>
0
锛?/p>
锛?/p>
锛堬梗
1
锛?/p>
2
锛?/p>
锛庝笖
|2a+b+1|+
=0
锛?/p>
锛?/p>
1
锛夋眰
a
銆?/p>
b
鐨勫�硷紱
锛?/p>
2
锛?/p>
鈶?/p>
鍦?/p>
y
杞寸殑姝ｅ崐杞翠笂瀛樺湪涓�鐐?/p>
M
锛屼娇
S
鈻?/p>
COM
=
S
鈻?/p>
ABC
锛屾眰鐐?/p>
M
鐨勫潗鏍囷紟
锛堟爣娉細涓?/p>
瑙掑舰
ABC
鐨勯潰绉〃绀轰负
S
鈻?/p>
ABC
锛?/p>
鈶?/p>
鍦ㄥ潗鏍囪酱鐨勫叾浠栦綅缃槸鍚﹀瓨鍦ㄧ偣
M
锛屼娇
S
鈻?/p>
COM
=
S
鈻?/p>
ABC
浠嶆垚绔嬶紵鑻ュ瓨鍦紝璇风洿鎺ュ啓鍑?/p>
绗﹀悎鏉′欢鐨勭偣
M
鐨勫潗鏍囷紟
2.
濡傚浘锛屽湪骞抽潰鐩磋鍧愭爣绯讳腑锛岀偣
A
锛?/p>
B
鐨勫潗鏍囧垎鍒负
A
锛?/p>
a
锛?/p>
0
锛?/p>
锛?/p>
B
锛?/p>
b
锛?/p>
0
锛?/p>
锛屼笖
a
銆?/p>
b
婊?/p>
瓒?/p>
a=
+
锕?/p>
1
锛岀幇鍚屾椂灏嗙偣
A
锛?/p>
B
鍒嗗埆鍚戜笂骞崇Щ
2
涓崟浣嶏紝鍐嶅悜鍙冲钩绉?/p>
1
涓崟
浣嶏紝鍒嗗埆寰楀埌鐐?/p>
A
锛?/p>
B
鐨勫搴旂偣
C
锛?/p>
D
锛岃繛鎺?/p>
AC
锛?/p>
BD
锛?/p>
CD
锛?/p>
锛?/p>
1
锛夋眰鐐?/p>
C
锛?/p>
D
鐨勫潗鏍囧強鍥涜竟褰?/p>
ABDC
鐨勯潰绉?/p>
S
鍥涜竟褰?/p>
ABDC
锛?/p>
锛?/p>
2
锛夊湪
y
杞翠笂鏄惁瀛樺湪涓�鐐?/p>
P
锛岃繛鎺?/p>
PA
锛?/p>
PB
锛屼娇
S
鈻?/p>
PAB
=S
鍥涜竟褰?/p>
ABDC
锛熻嫢瀛樺湪杩欐牱涓�鐐癸紝
姹傚嚭鐐?/p>
P
鐨勫潗鏍囷紱鑻ヤ笉瀛樺湪锛岃瘯璇存槑鐞嗙敱锛?/p>
锛?/p>
3
锛夌偣
P
鏄嚎娈?/p>
BD
涓婄殑涓�涓姩鐐癸紝杩炴帴
PC
锛?/p>
PO
锛屽綋鐐?/p>
P
鍦?/p>
BD
涓婄Щ鍔ㄦ椂锛堜笉涓?/p>
B
锛?/p>
D
閲嶅悎锛?/p>
鐨勫�兼槸鍚﹀彂鐢熷彉鍖栵紝骞惰鏄庣悊鐢憋紟
