24.4
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1
璇炬椂
鐩寸嚎涓庡渾鐨勪綅缃叧绯?/p>
01
鍩虹棰?/p>
鐭ヨ瘑鐐?/p>
1
鐩寸嚎涓庡渾浣嶇疆鍏崇郴鐨勫垽鏂?/p>
1
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鐨勫崐寰勬槸
6
cm
锛岀偣
O
鍒板悓涓�骞抽潰鍐呯洿绾?/p>
l
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5
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l
涓庘姍O
鐨勪綅
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A
锛?/p>
A
锛庣浉浜?/p>
B
锛庣浉鍒?/p>
C
锛庣浉绂?/p>
D
锛庢棤娉曞垽鏂?/p>
2
锛庡凡鐭モ姍O
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5
锛屽渾蹇?/p>
O
鍒扮洿绾?/p>
AB
鐨勮窛绂讳负
5
锛屽垯鐩寸嚎
AB
涓庘姍O
鐨勪綅缃叧绯绘槸锛?/p>
C
锛?/p>
A
锛庣浉浜?/p>
B
锛庣浉鍒?/p>
C
锛庣浉绂?/p>
D
锛庣浉浜ゆ垨鐩稿垏
3
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3
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2
锛変负鍦嗗績锛?/p>
2
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C
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A
锛庝笌
x
杞寸浉鍒囷紝涓?/p>
y
杞寸浉鍒?/p>
B
锛庝笌
x
杞淬�?/p>
y
杞撮兘鐩哥
C
锛庝笌
x
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x
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y
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4
锛庡鍥撅紝鈭?/p>
O
锛?/p>
30
掳锛?/p>
C
涓?/p>
OB
涓婁竴鐐癸紝涓?/p>
OC
锛?/p>
6
锛屼互鐐?/p>
C
涓哄渾蹇冿紝鍗婂緞涓?/p>
3
鐨勫渾涓?/p>
OA
鐨勪綅
缃叧绯绘槸锛?/p>
C
锛?/p>
A
锛庣浉绂?/p>
B
锛庣浉浜?/p>
C
锛庣浉鍒?/p>
D
锛庝互涓婁笁绉嶆儏鍐靛潎鏈夊彲鑳?/p>
5
锛?/p>
锛堟暀鏉?/p>
P
34
渚?/p>
1
鍙樺紡锛?/p>
鍦?/p>
Rt
鈻?/p>
ABC
涓紝鈭?/p>
C
锛?0掳锛?/p>
BC
锛?/p>
6
cm
锛?/p>
AC
锛?/p>
8
cm
锛屼互鐐?/p>
C
涓哄渾蹇冿紝
浠?/p>
5
cm
涓哄崐寰勭敾鍦嗭紝鍒欌姍C
涓庣洿绾?/p>
AB
鐨勪綅缃叧绯绘槸锛?/p>
A
锛?/p>
A
锛庣浉浜?/p>
B
锛庣浉鍒?/p>
C
锛庣浉绂?/p>
D
锛庝笉鑳界‘瀹?/p>
6
锛庡鍥撅紝鐏溅鍦ㄩ潤姝㈡椂锛屽皢鐏溅杞笌閾佽建鐪嬫垚鍦嗕笌鐩寸嚎鐨勫叧绯伙紝杩欎釜鍏崇郴鏄浉鍒囷紟
绗?/p>
6
棰樺浘
绗?/p>
7
棰樺浘
7
锛庡鍥撅紝鍦ㄧ煩褰?/p>
ABCD
涓紝
AB
锛?/p>
6
锛?/p>
BC
锛?/p>
4
锛屸姍
O
鏄互
AB
涓虹洿寰勭殑鍦嗭紝鍒欑洿绾?/p>
BC
涓庘姍O
鐨勪綅
缃叧绯绘槸鐩稿垏锛?/p>
鐭ヨ瘑鐐?/p>
2
鐩寸嚎涓庡渾浣嶇疆鍏崇郴鐨勬�ц川
8
锛庣洿绾?/p>
l
涓庡崐寰勪负
r
鐨勨姍O
鐩镐氦锛屼笖鐐?/p>
O
鍒扮洿绾?/p>
l
鐨勮窛绂讳负
5
锛屽垯鍗婂緞
r
鐨勫彇鍊艰寖鍥存槸
锛?/p>
A
锛?/p>