绗?/p>
1
椤?/p>
鍏?/p>
30
椤?/p>
2020
骞翠腑鑰冩暟瀛︿簩娆″嚱鏁板帇杞撮涓撻澶嶄範
1.
濡傚浘锛屽湪骞抽潰鐩磋鍧愭爣绯讳腑锛屾姏鐗╃嚎
y=ax
2
+bx+c
浜?/p>
x
杞翠簬
A
銆?/p>
B
涓ょ偣锛屼氦
y
杞翠簬鐐?/p>
C
锛?/p>
0
锛岋梗
锛夛紝
OA=1
锛?/p>
OB=4
锛?/p>
鐩寸嚎
l
杩囩偣
A
锛屼氦
y
杞翠簬鐐?/p>
D
锛屼氦鎶涚墿绾夸簬鐐?/p>
E
锛屼笖婊¤冻
tan
鈭?/p>
OAD=
.
锛?/p>
1
锛夋眰鎶涚墿绾跨殑瑙ｆ瀽寮忥紱
锛?/p>
2
锛夊姩鐐?/p>
P
浠庣偣
B
鍑哄彂锛屾部
x
杞存鏂瑰舰浠ユ瘡绉?/p>
2
涓崟浣嶉暱搴︾殑閫熷害鍚戠偣
A
杩愬姩锛屽姩鐐?/p>
Q
浠庣偣
A
鍑哄彂锛屾部灏?/p>
绾?/p>
AE
浠ユ瘡绉?/p>
1
涓崟浣嶉暱搴︾殑閫熷害鍚戠偣
E
杩愬姩锛?/p>
褰撶偣
P
杩愬姩鍒扮偣
A
鏃讹紝
鐐?/p>
Q
涔熷仠姝㈣繍鍔紝
璁捐繍鍔ㄦ椂闂翠负
t
绉?/p>
.
鈶犲湪
P
銆?/p>
Q
鐨勮繍鍔ㄨ繃绋嬩腑锛?/p>
鏄惁瀛樺湪鏌愪竴鏃跺埢
t
锛?/p>
浣垮緱鈻?/p>
ADC
涓庘柍
PQA
鐩镐技锛?/p>
鑻ュ瓨鍦紝
姹傚嚭
t
鐨勫�硷紱
鑻ヤ笉瀛樺湪锛?/p>
璇疯鏄庣悊鐢?/p>
.
鈶″湪
P
銆?/p>
Q
鐨勮繍鍔ㄨ繃绋嬩腑锛?/p>
鏄惁瀛樺湪鏌愪竴鏃跺埢
t
锛?/p>
浣垮緱鈻?/p>
APQ
涓庘柍
CAQ
鐨勯潰绉箣鍜屾渶澶э紵鑻ュ瓨鍦紝
姹傚嚭
t
鐨勫�硷紱
鑻ヤ笉瀛樺湪锛岃璇存槑鐞嗙敱
.
2.
濡傚浘锛屽湪骞抽潰鐩磋鍧愭爣绯讳腑锛屾姏鐗╃嚎
y=ax
2
+bx+c
浜?/p>
x
杞翠簬
A
銆?/p>
B
涓ょ偣锛?/p>
A
鍦?/p>
B
鐨勫乏渚э級锛屼笖
OA=3
锛?/p>
OB=1
锛?/p>
涓?/p>
y
杞翠氦浜?/p>
C
锛?/p>
0
锛?/p>
3
锛夛紝鎶涚墿绾跨殑椤剁偣鍧愭爣涓?/p>
D
锛堬梗
1
锛?/p>
4
锛?/p>
.
锛?/p>
1
锛夋眰
A
銆?/p>
B
涓ょ偣鐨勫潗鏍囷紱
锛?/p>
2
锛夋眰鎶涚墿绾跨殑瑙ｆ瀽寮忥紱
锛?/p>
3
锛夎繃鐐?/p>
D
浣滅洿绾?/p>
DE
鈭?/p>
y
杞达紝浜?/p>
x
杞翠簬鐐?/p>
E
锛岀偣
P
鏄姏鐗╃嚎涓?/p>
B
銆?/p>
D
涓ょ偣闂寸殑涓�涓姩鐐癸紙鐐?/p>
P
涓嶄笌
B
銆?/p>
D
涓?/p>
鐐归噸鍚堬級锛?/p>
PA
銆?/p>
PB
涓庣洿绾?/p>
DE
鍒嗗埆浜や簬鐐?/p>
F
銆?/p>
G
锛屽綋鐐?/p>
P
杩愬姩鏃讹紝
EF+EG
鏄惁涓哄畾鍊硷紵鑻ユ槸锛岃瘯姹傚嚭璇ュ畾鍊硷紱
鑻ヤ笉鏄紝璇疯鏄庣悊鐢?/p>
.