鏉炬睙鍖?/p>
2019
瀛﹀勾搴︾涓�瀛︽湡鏈熸湯璐ㄩ噺鎶芥祴
鍒濅笁鏁板
锛堟弧鍒?/p>
150
鍒嗭紝瀹屽嵎鏃堕棿
100
鍒嗛挓锛?/p>
鑰冪敓娉ㄦ剰锛?/p>
1
锛庢湰璇曞嵎鍚笁涓ぇ棰橈紝鍏?/p>
25
棰橈紟绛旈鏃讹紝鑰冪敓鍔″繀鎸夌瓟棰樿姹傚湪绛旈绾歌瀹氱殑浣嶇疆涓婁綔绛旓紝鍦?/p>
鑽夌ǹ绾搞�佹湰璇曞嵎涓婄瓟棰樹竴寰嬫棤鏁堬紟
2
锛庨櫎绗竴銆佷簩澶ч澶栵紝鍏朵綑鍚勯濡傛棤鐗瑰埆璇存槑锛岄兘蹇呴』鍦ㄧ瓟棰樼焊鐨勭浉搴斾綅缃笂鍐欏嚭璇佹槑鎴栬绠?/p>
鐨勪富瑕佹楠わ紟
涓�銆侀�夋嫨棰橈細
锛堟湰澶ч鍏?/p>
6
棰橈紝姣忛
4
鍒嗭紝婊″垎
24
鍒嗭級
1
锛庡凡鐭ュ湪
Rt
鈻?/p>
ABC
涓紝鈭?/p>
C
=90
潞锛屽鏋?/p>
BC
=2
锛屸垹
A
=
飦?/p>
锛屽垯
AC
鐨勯暱涓猴紙
D
锛?/p>
锛?/p>
A
锛?/p>
飦?/p>
sin
2
锛?/p>
锛?/p>
B
锛?/p>
飦?/p>
cos
2
锛?/p>
锛?/p>
C
锛?/p>
飦?/p>
tan
2
锛?/p>
锛?/p>
D
锛?/p>
飦?/p>
cot
2
锛?/p>
2
锛庝笅鍒楁姏鐗╃嚎涓紝杩囧師鐐圭殑鎶涚墿绾挎槸锛?/p>
C
锛?/p>
锛?/p>
A
锛?/p>
1
2
飥?/p>
飥?/p>
x
y
锛?/p>
锛?/p>
B
锛?/p>
飥?/p>
飥?/p>
2
1
飥?/p>
飥?/p>
x
y
锛?/p>
锛?/p>
C
锛?/p>
x
x
y
飥?/p>
飥?/p>
2
锛?/p>
锛?/p>
D
锛?/p>
1
2
飥?/p>
飥?/p>
飥?/p>
x
x
y
.
3
锛庡皬鏄庤韩楂?/p>
1.5
绫筹紝鍦ㄦ煇涓�鏃跺埢鐨勫奖闀夸负
2
绫筹紝鍚屾椂娴嬪緱鏁欏澶фゼ鐨勫奖闀夸负
60
绫筹紝鍒欐暀瀛﹀ぇ妤肩殑楂?/p>
搴﹀簲涓猴紙
A
锛?/p>
锛?/p>
A
锛?/p>
45
绫筹紱
锛?/p>
B
锛?/p>
40
绫筹紱
锛?/p>
C
锛?/p>
90
绫筹紱
锛?/p>
D
锛?/p>
80
绫筹紟
4
锛庡凡鐭ラ潪闆跺悜閲?/p>
a
飦?/p>
锛?/p>
b
飦?/p>
锛?/p>
c
飦?/p>
锛屼笅鍒楁潯浠朵腑锛屼笉鑳藉垽瀹?/p>
a
飦?/p>
鈭?/p>
b
飦?
鐨勬槸锛?/p>
B
锛?/p>
锛?/p>
A
锛?/p>
a
飦?/p>
鈭?/p>
c
飦?/p>
锛?/p>
b
飦?/p>
鈭?/p>
c
飦?/p>
锛?/p>
锛?/p>
B
锛?/p>
b
a
2
飥?/p>
锛?/p>
锛?/p>
C
锛?/p>
a
飦?
=
b
飦?/p>
2
飥?/p>
锛?/p>
锛?/p>
D
锛?/p>
a
飦?/p>
=
c
飦?/p>
2
锛?/p>
b
飦?/p>
=
c
飦?/p>
锛?/p>
5
锛庡鍥撅紝鍦?/p>
鈻?/p>
ABCD
涓?/p>
锛岀偣
E
鏄竟
BA
寤堕暱绾夸笂鐨勪竴鐐癸紝
CE
浜?/p>
AD
浜?/p>
鐐?/p>
F
.
涓嬪垪鍚勫紡涓紝閿欒鐨勬槸锛?/p>
C
锛?/p>
锛?/p>
A
锛?/p>
FC
FE
AB
AE
飥?
锛?/p>
锛?/p>
B
锛?/p>
AE
AF
AB
DF
飥?
锛?/p>
锛?/p>
C
锛?
AE
AF
AB
BC
飥?
锛?/p>
锛?/p>
D
锛?
BC
AF
BE
AE
飥?
锛?/p>
6
锛庡鍥撅紝宸茬煡鍦ㄢ柍
ABC
涓紝
3
1
cos
飥?
A
锛?/p>
BE
銆?/p>
CF
鍒嗗埆鏄?/p>
AC
銆?/p>
AB
杈逛笂
鐨勯珮锛岃仈缁?/p>
EF
锛岄偅涔堚柍
AEF
鍜屸柍
ABC
鐨勫懆闀挎瘮涓猴紙
B
锛?/p>
锛?/p>
A
锛?/p>
1
锔?/p>
2
锛?/p>
锛?/p>
B
锛?/p>
1
锔?/p>
3
锛?/p>
锛?/p>
C
锛?/p>
1
锔?/p>
4
锛?/p>
锛?/p>
D
锛?/p>
1
锔?/p>
9
锛?/p>
浜屻�佸～绌洪锛?/p>
锛堟湰澶ч鍏?/p>
12
棰橈紝姣忛
4
鍒嗭紝婊″垎
48
鍒嗭級
7
锛庡凡鐭?/p>
3
4
a
b
飥?/p>
锛屽垯
2
a
a
b
飥?/p>
鐨勫�间负
7
6
锛?/p>
C
D
E
F
B
A
锛堢
5
棰樺浘锛?/p>
锛堢
6
棰樺浘锛?/p>
A
E
C
F
B