涓�銆侀�夋嫨棰橈細锛堟瘡灏忛
3
鍒嗭紝
鍏?/p>
30
鍒嗭級
锛?/p>
锛?/p>
1
锛?/p>
-2
鐨勭粷瀵瑰�兼槸
A
锛庯紞
2
B
锛?/p>
2
C
锛?/p>
1
2
D
锛庯紞
1
2
锛?/p>
锛?/p>
2
锛庡鍥?/p>
1
锛屽凡鐭ョ嚎娈?/p>
AB
锛屼互涓嬩綔鍥句笉鍙兘鐨勬槸
A.
鍦?/p>
AB
涓婂彇涓�鐐?/p>
C
锛屼娇
AC=BC
B.
鍦?/p>
AB
鐨勫欢闀跨嚎涓婂彇涓�鐐?/p>
C
锛屼娇
BC=AB
C.
鍦?/p>
BA
鐨勫欢闀跨嚎涓婂彇涓�鐐?/p>
C
锛屼娇
BC=AB
D.
鍦?/p>
BA
鐨勫欢闀跨嚎涓婂彇涓�鐐?/p>
C
锛屼娇
BC=2AB
锛?/p>
锛?/p>
3.
涓嬪垪璁＄畻姝ｇ‘鐨勬槸
A. - (
2
3
)
3
=
27
6
飥?/p>
B.-(
3
2
)
2
=
9
4
C. - (
3
2
)
3
=
27
8
D. - (
5
3
)
3
= -
125
27
锛?/p>
锛?/p>
4.
涓嬪垪鏂圭▼涓?/p>
,
灞炰簬涓�鍏冧竴娆℃柟绋嬬殑鏄?/p>
A.
0
2
1
飥?/p>
飥?/p>
x
B. 3x
2
+4y=2 C. x
2
+3x=x
2
-1 D.x
2
+3x-1=8+5x
锛?/p>
锛?/p>
5
锛庝笅鍒椾簨浠朵腑锛屽繀鐒跺彂鐢熺殑浜嬩欢鏄?/p>
锛?/p>
A
锛夋槑澶╀細涓嬮洦
锛?/p>
B
锛夊皬鏄庢暟瀛﹁�冭瘯寰?/p>
99
鍒?/p>
锛?/p>
C
锛変粖澶╂槸鏄熸湡涓�锛屾槑澶╁氨鏄槦鏈熶簩
锛?/p>
D
锛夋槑骞存湁
370
澶?/p>
锛?/p>
锛?/p>
6
锛庡鍥撅紝鈭?/p>
AOB=180
掳锛?/p>
OD
銆?/p>
OE
鍒嗗埆鏄垹
AOC
鍜屸垹
BOC
鐨勫钩鍒嗙嚎锛屽垯涓?
绾挎
OD
鍨傜洿鐨勫皠绾挎槸
A.OA B.OC C.OE D.OB
锛?/p>
锛?/p>
7.
鐢ㄤ竴涓钩闈㈠幓鎴竴涓鏂逛綋锛屾埅闈㈢殑褰㈢姸涓?/p>
鍙兘鏄?/p>
A
銆佹褰?/p>
B
銆佷簲杈瑰舰
C
銆佸叚杈瑰舰
D
銆佷竷杈瑰舰
锛?/p>
锛?/p>
8
锛庡鏋?/p>
2(x+3)
鐨勫�间笌
3(1-x)
鐨勫�间簰涓虹浉鍙嶆暟
,
閭ｄ箞
x
绛変簬
A.9 B.8 C.-9 D.-8
9
锛庯紟鏌愬伐鍘傜幇鏈夊伐浜?/p>
x
浜猴紝鑻ョ幇鏈変汉鏁版瘮涓ゅ勾鍓嶅師鏈変汉鏁板噺灏?/p>
35
锛咃紝鍒欒宸ュ巶
鍘熸湁浜烘暟涓?/p>
A
%
35
1
飥?/p>
x
B
%
35
1
飥?/p>
x
C
锛?/p>
1
锛?/p>
35%
锛?/p>
x
D
锛?/p>
1
锛?/p>
35%
锛?/p>
x
10
锛庡鏋滀唬鏁板紡
4y
2
锛?/p>
2y
锛?/p>
5
鐨勫�兼槸
7
锛岄偅涔堜唬鏁板紡
2y
2
锛?/p>
y+1
鐨勫�肩瓑浜?/p>
A
锛?/p>
2
B
锛?/p>
3
C
锛庯梗
2
D
锛?/p>
4
浜屻�佽�愬績濉竴濉細锛堟湰澶ч
8
灏忛锛屾瘡灏忛
3
鍒嗭紝璁?/p>
24
鍒嗭級
11
銆佽嫢鐐?/p>
C
鏄嚎娈?/p>
AB
鐨勪腑鐐癸紝涓?/p>
AB=10cm,
鍒?/p>
AC = cm
锛?/p>
12
銆?/p>
濮氭槑涓�瀹氫笉浼氳緭缁欏叾浠栦换浣曚竴涓?/p>
NBA
鐞冨憳锛?/p>
鏄?/p>
浜嬩欢
锛堝～蹇呯劧锛屼笉
鍙兘鎴栦笉纭畾锛夈�?/p>
13.
鎹祴绠楋紝
鎴戝浗姣忓勾鍥犳矙婕犲寲閫犳垚鐨勭洿鎺ョ粡娴庢崯澶辫秴杩?/p>
5400000
涓囧厓锛?/p>
鐢ㄧ瀛﹁
鏁版硶琛ㄧず杩欎釜鏁版槸
涓囧厓銆?/p>
14
銆?/p>
鐢层�佷箼銆佷笝涓夊湴鐨勬捣鎷旈珮搴﹀垎鍒槸
20 m
銆?/p>
-15m
銆?/p>
-5m
锛岄偅涔堟渶楂樼殑鍦版柟姣旀渶
浣庣殑鍦版柟楂?/p>
__________m
15
銆?/p>
濡傛灉鏌愭湀鍏辨湁
4
涓槦鏈熶簲锛?/p>
杩?/p>
4
涓槦鏈熶簲鐨勬棩鏈熶箣鍜?
涓?/p>
62
锛屽垯杩?/p>
4
澶╁垎鍒槸
16
銆佸皬鍒氭瘡鏅?/p>
19:30
閮借鐪嬪ぎ瑙嗙殑鈥滄柊闂昏仈鎾�濊妭鐩?/p>
,
杩?/p>
鏃堕挓闈笂鏃堕拡涓庡垎閽堝す瑙掔殑搴︽暟涓?/p>
____________
17
銆佸鍥撅紝鈭?/p>
AOC
鍜屸垹
BOD
閮芥槸鐩磋锛屽鏋溾垹
DOC=
飩?/p>
36
锛?/p>
鍒欌垹
AOB
鏄?/p>
__ ______
搴︼紱
18
銆?/p>
濡傚浘锛?/p>
涓嬮潰鏄敤鐏煷妫嶆憜鐨勬鏂瑰舰锛?/p>
璇蜂綘浠旂粏瑙傚療绗?
鍥?/p>
1
O
B
A
O
B
E
C
D
A
B
A
C
D
B
绗?/p>
17
棰?/p>
瀛︽牎
濮撳悕
鐝骇
___________
搴т綅鍙?/p>
鈥︹�﹁鈥︹�︹�︹�﹁鈥︹�︹�︹�︾嚎鈥︹�︹�︹�﹀唴鈥︹�︹�︹�︿笉鈥︹�︹�︹�﹁鈥︹�︹�︹�︾瓟鈥︹�︹�︹�﹂鈥︹�?/p>