涓冨勾绾т笅鍐屾暟瀛﹁瘯鍗蜂竴
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鏃堕棿锛?/p>
120
鍒嗛挓婊″垎锛?/p>
100
鍒?/p>
)
涓�銆佺粏蹇冨～涓�濉?/p>
(
姣忛
2
鍒嗭紝鍏?/p>
24
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)
1.
鍦ㄥ悓涓�骞抽潰鍐咃紝涓ゆ潯鐩寸嚎鏈夌浣嶇疆鍏崇郴锛屽畠浠槸锛?/p>
2
锛庤嫢鐩寸嚎
a
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1
鐩寸嚎
AB
锛?/p>
CD
锛?/p>
EF
鐩镐氦涓庣偣
O
锛屽浘涓?/p>
AOE
飪?/p>
鐨勫椤惰鏄紝
COF
飪?/p>
鐨勯偦琛ヨ鏄�?/p>
鍥?/p>
3
4
锛庡
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2
锛?/p>
瑕佹妸
姹犱腑
鐨勬按
寮曞埌
D
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C
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D
锛岀劧鍚庢部
CD
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寮�娓犻亾鏈�鐭紝璇曡
鏄庤璁＄殑渚濇嵁锛氾紱
5
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P
锛?/p>
-2
锛?/p>
3
锛夊叧浜?/p>
X
杞村绉扮偣鐨勫潗鏍囨槸銆傚叧浜庡師鐐瑰绉扮偣鐨勫潗鏍囨槸銆?/p>
6
锛庢妸鈥滃椤惰鐩哥瓑鈥濆啓鎴愨�滃鏋溾�︹�﹂偅涔堚�︹�︹�濈殑褰㈠紡涓恒�?/p>
7.
涓�涓瓑鑵颁笁瑙掑舰鐨勪袱杈归暱鍒嗗埆鏄?/p>
3cm
鍜?/p>
6cm,
鍒欏畠鐨勫懆闀挎槸
cm.
8.
鑻ョ偣
M
锛?/p>
a+5,a-3
锛夊湪
y
杞翠笂锛屽垯鐐?/p>
M
鐨勫潗鏍囦负銆?/p>
9
锛庤嫢
P
锛?/p>
X
锛?/p>
Y
锛夌殑鍧愭爣婊¤冻
XY
锛?/p>
0
锛屼笖
X+Y<0,
鍒欑偣
P
鍦ㄧ璞￠檺銆?/p>
10.
涓�涓杈瑰舰鐨勬瘡涓�涓瑙掔瓑浜?/p>
30
锛屽垯杩欎釜澶氳竟褰㈡槸杈瑰舰锛屽叾鍐呰鍜屾槸銆?/p>
11
锛庣洿瑙掍笁瑙掑舰涓や釜閿愯鐨勫钩鍒嗙嚎鎵�鏋勬垚鐨勯挐瑙掔瓑浜庡害銆?/p>
12
锛庡鍥?/p>
3
锛屽洓杈瑰舰
ABCD
涓紝
1
2
飪?/p>
飪?/p>
涓?/p>
婊¤冻鍏崇郴鏃?/p>
AB
2cm3cm5cm5cm6cm10cm1cm1cm3cm3cm4m9cm1,3)C.(1,6)D.(3,3)
5.
濡傚浘
4
锛屼笅鍒楁潯浠朵腑锛屼笉鑳藉垽鏂洿绾?/p>
a3 C
鍒楀浘褰腑鏈夌ǔ瀹氭�х殑鏄紙锛?/p>
A
锛庢鏂瑰舰
B.
闀挎柟褰?/p>
C.
鐩磋涓夎褰?/p>
D.
骞宠鍥涜竟褰?/p>
涓夛紟浣滃浘棰樸�?/p>
(
姣忓皬棰?/p>
4
鍒嗭紝鍏?/p>
12
鍒?/p>
1
锛庝綔鍑洪挐瑙?/p>
ABC
飦?/p>
鐨勪笁鏉￠珮绾裤�?/p>
2
锛庡湪涓嬮潰鎵�绀虹殑鏂规牸绾镐腑锛岀敾鍑哄皢鍥句腑鈻?/p>
ABC
鍚戝彸骞崇Щ
4
鏍煎悗鐨勨柍
A
銆?/p>
B
銆?/p>
C
銆?/p>
,
鐒跺悗鍐嶇敾鍑衡柍
A
銆?/p>
B
銆?/p>
C
銆佸悜涓嬪钩绉?/p>
3
鏍?/p>
鍚庣殑鈻?/p>
A"B"C"
3
銆佸啓鍑哄浘涓?/p>
A
銆?/p>
B
銆?/p>
C
銆?/p>
D
銆?/p>
E
銆?/p>
F
鍚勭偣鐨勫潗鏍囷細
鍥涖�佸鐫�璇寸偣鐞嗐�?/p>
(
姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
6
鍒?/p>
)
1
銆?/p>
濡傚浘鍥?/p>
(1)
锛?/p>
鈭?/p>
1
锛濃垹
2
锛濃垹
3
锛?/p>
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(1)
鍥犱负鈭?/p>
1
锛濃垹
2
鎵�浠?/p>
____
鈭?/p>
____()
(2)
鍥犱负鈭?/p>
1
锛濃垹
3
鎵�浠?/p>
____
鈭?/p>
____()
2
銆佸凡鐭?/p>
:
濡傚浘
,
鈭?/p>
1=
鈭?/p>
2.
姹傝瘉
:
鈭?/p>
3+
鈭?/p>
4=180
掳
璇佹槑
:
鈭碘垹
1=
鈭?/p>
2
鈭?/p>
a
鈭?/p>
b()
鈭粹垹
3+
鈭?/p>
5=180
掳
()
鍙堚埖鈭?/p>
4=
鈭?/p>
5()
鈭粹垹
3+
鈭?/p>
4=180
掳
浜旓紟鐢ㄥ績瑙ｄ竴瑙ｏ細
(
姣忓皬棰?/p>
5
鍒嗭紝鍏?/p>
20
鍒?/p>
)
1
銆佸鍥句簲
(1)
锛氣垹
1
锛濃垹
2
锛屸垹
3
锛?/p>
108
掳
姹傗垹
4
鐨勫害鏁?/p>
c
b
a
5
4
3
2
1
鍥惧洓锛?/p>
2
锛?/p>
鍥句簲锛?/p>
1
锛?/p>
A
B
D
C
1
2
A
B
C
D
鍥?/p>
2
A
F
C
E
B
D
鍥?/p>
1
O
A
B
C
鍥?/p>
4