浜烘暀鐗堟暟瀛︿節骞寸骇涓嬪唽绗?/p>
26
绔犵
2
鑺傚疄闄呴棶棰樹笌鍙嶆瘮渚嬪嚱鏁?/p>
璇炬椂缁冧範
涓�锛庨�夋嫨棰?/p>
1.
鐩磋涓夎褰袱鐩磋杈圭殑闀垮垎鍒负
x
锛?/p>
y
锛屽畠鐨勯潰绉负
3
锛屽垯
y
涓?/p>
x
涔嬮棿鐨勫嚱鏁板叧绯荤敤鍥捐薄
琛ㄧず澶ц嚧鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
绛旀锛?/p>
C
鐭ヨ瘑鐐癸細
鍙嶆瘮渚嬪嚱鏁扮殑搴旂敤锛涘弽姣斾緥鍑芥暟鐨勫浘璞?/p>
瑙ｆ瀽锛?/p>
瑙ｇ瓟锛?/p>
鈭?/p>
2
1
xy
=
3
鈭?/p>
y
=
x
6
锛?/p>
x
锛?/p>
0
锛?/p>
y
锛?/p>
0
锛夛紟
鏁呴�?/p>
C
锛?/p>
鍒嗘瀽锛?/p>
鏍规嵁棰樻剰鏈夛細
xy
=
3
锛涙晠
y
涓?/p>
x
涔嬮棿鐨勫嚱鏁板浘璞′负鍙嶆瘮渚嬪嚱鏁帮紝
涓旀牴鎹?/p>
x y
瀹為檯鎰忎箟
x
銆?/p>
y
搴斿ぇ浜?/p>
0
锛屽叾鍥捐薄鍦ㄧ涓�璞￠檺锛涙晠鍙垽鏂瓟妗堜负
C
锛?/p>
2.
濡傚浘锛屽凡鐭ュ湪鐩磋姊舰
AOBC
涓紝
AC
鈭?/p>
OB
锛?/p>
CB
鈯?/p>
OB
锛?/p>
OB
=
18
锛?/p>
BC
=
12
锛?/p>
AC=9
锛屽瑙?/p>
绾?/p>
OC
銆?/p>
AB
浜や簬鐐?/p>
D
锛岀偣
E
銆?/p>
F
銆?/p>
G
鍒嗗埆鏄?/p>
CD
銆?/p>
BD
銆?/p>
BC
鐨勪腑鐐癸紝浠?/p>
O
涓哄師鐐癸紝鐩寸嚎
OB
涓?/p>
x
杞村缓绔嬪钩闈㈢洿瑙掑潗鏍囩郴锛屽垯
G
銆?/p>
E
銆?/p>
D
銆?/p>
F
鍥涗釜鐐逛腑涓庣偣
A
鍦ㄥ悓涓�鍙嶆瘮渚嬪嚱鏁板浘璞′笂鐨?/p>
鏄紙
锛?/p>
A
锛?/p>
鐐?/p>
G
B
锛庣偣
E
C
锛庣偣
D
D
锛庣偣
F
绛旀锛?/p>
A
鐭ヨ瘑鐐癸細
鍙嶆瘮渚嬪嚱鏁扮殑搴旂敤锛涘弽姣斾緥鍑芥暟鐨勫浘璞★紱鍙嶆瘮渚嬪嚱鏁扮殑鎬ц川
瑙ｆ瀽锛?/p>
瑙ｇ瓟锛?/p>
鍦ㄧ洿瑙掓褰?/p>
AOBC
涓紝