2
0
18-2019
瀛﹀勾搴︾涓�瀛︽湡鏈熸湯璋冪爺鑰冭瘯
鍏勾绾ф暟瀛﹁瘯鍗?/p>
娉ㄦ剰锛氭湰璇曞嵎鍏?/p>
8
椤碉紝涓夐亾澶ч锛?/p>
26
灏忛銆傛�诲垎
120
鍒嗐�傛椂闂?/p>
120
鍒嗛挓銆?/p>
棰樺彿
涓�
浜?/p>
21
22
23
24
25
26
鎬诲垎
寰楀垎
涓�銆?/p>
閫夋嫨棰橈紙鏈鍏?/p>
16
灏忛锛屾�诲垎
42
鍒嗐�?/p>
1~10
灏忛锛屾瘡棰?/p>
3
鍒嗭紱
11~16
灏忛锛屾瘡棰?/p>
2
鍒嗐�傚湪姣忓皬棰樼粰鍑虹殑鍥涗釜閫夐」涓紝鍙湁涓�椤规槸绗?/p>
鍚堥鐩姹傜殑銆傝灏嗘纭�夐」鐨勪唬鍙峰～鍐欏湪涓嬮潰鐨勮〃鏍间腑锛?/p>
棰樺彿
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
绛旀
1
锛庝笅鍒楅暱搴︾殑鍚勭粍绾挎涓紝鑳芥瀯鎴愪笁瑙掑舰鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
3
锛?/p>
4
锛?/p>
5
B
锛?/p>
2
锛?/p>
2
锛?/p>
4
C
锛?/p>
1
锛?/p>
2
锛?/p>
3
D
锛?/p>
2
锛?/p>
3
锛?/p>
6
2.
涓嬮潰鏈?/p>
4
涓苯杞︽爣蹇楀浘妗堬紝鍏朵腑涓嶆槸杞村绉板浘褰㈢殑鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
3
锛庤嫢绛夎叞涓夎褰㈢殑鍛ㄩ暱涓?/p>
26cm
锛屽簳杈逛负
11cm
锛屽垯鑵伴暱涓猴紙
锛?/p>
A
锛?/p>
11cm
B
锛?/p>
11cm
鎴?/p>
7.5cm
C
锛?/p>
7.5cm
D
锛庝互涓婇兘涓嶅
4
锛庡凡鐭?/p>
x
2
+kxy+16y
2
鏄竴涓畬鍏ㄥ钩鏂瑰紡锛屽垯
k
鐨勫�兼槸锛?/p>
锛?/p>
A
锛?/p>
8 B
锛幝?
C
锛?/p>
16
D
锛幝?6
5
锛庡鏋滀竴涓杈瑰舰鐨勬瘡涓�涓瑙掗兘绛変簬
45掳锛屽垯杩欎釜澶氳竟褰㈢殑杈规暟涓猴紙
锛?/p>
A
锛?/p>
3 B
锛?/p>
4 C
锛?/p>
5
D
锛?/p>
8
6
锛庝笅鍒楀垎寮忎笉鏄渶绠�鍒嗗紡鐨勬槸锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?
D
锛?
7
锛庤绠?/p>
(
锕?/p>
a
锕?/p>
b)
2
绛変簬锛?/p>
锛?/p>
A.
a
2
+b
2
B.
a
2
锕?/p>
b
2
C.
a
2
+2ab+b
2
D.
a
2
锕?/p>
2ab+b
2
8.
濡傚浘
,
鈭?/p>
AOB
鏄竴涓换鎰忚锛屽湪杈?/p>
OA
銆?/p>
OB
涓婂垎鍒彇鐐?/p>
M
銆?/p>
N
锛?/p>
浣?
OM=ON
銆傜Щ鍔ㄨ灏猴紝浣胯灏轰袱杈圭浉鍚岀殑鍒诲害鍒嗗埆涓?/p>
M
銆?/p>
N
閲嶅悎銆傚垯
杩囪灏洪《鐐?/p>
C
鐨勫皠绾?/p>
OC
渚挎槸鈭?/p>
AOB
骞冲垎绾裤�?/p>
杩欓噷鐨勬牴鎹槸
锛?/p>
锛?/p>
寰楀垎
璇勫嵎浜?/p>