2019
骞翠節骞寸骇鏁板浣滀笟鏈瓟妗?/p>
word
鐗堟湰
鏈枃閮ㄥ垎鍐呭鏉ヨ嚜缃戠粶鏁寸悊锛屾湰鍙镐笉涓哄叾鐪熷疄鎬ц礋璐ｏ紝濡傛湁寮傝鎴栦镜鏉冭鍙婃椂鑱旂郴锛屾湰鍙稿皢绔嬪嵆鍒犻櫎锛?/p>
==
鏈枃涓?/p>
word
鏍煎紡锛屼笅杞藉悗鍙柟渚跨紪杈戝拰淇敼锛?/p>
==
涔濆勾绾ф暟瀛︿綔涓氭湰绛旀
绡囦竴锛氭禉鏁欑増涔濅笅
鏁板
浣滀笟鏈瓟妗?/p>
绡囦簩锛氫節骞寸骇绗簩瀛︽湡鏁板缁冧範鍐岀瓟妗?/p>
缁冧範鍐屼範棰樼瓟妗堟垨鎻愮ず
涔犻
26.1
1.
浣滃浘鐣?/p>
.
绗竴涓笁瑙掑舰鐨勫蹇冨湪涓夎褰㈢殑鍐呴儴
,
绗簩涓笁瑙掑舰鐨勫蹇冩槸鏂滆竟涓?/p>
鐨勪腑鐐?/p>
,
绗笁涓笁瑙掑舰鐨勫蹇冨湪涓夎褰㈢殑澶栭儴
. 2.
鎵�浣滅殑鍦嗘湁涓や釜
. 3.
澶栭儴
,
鍐呴儴
. 4. 2.5.
5.
鐐?/p>
P
鍦ㄢ姍O
涓?/p>
.
涔犻
26.2
锛?/p>
1
锛?/p>
1.
寮?/p>
EF,
寮?/p>
AB,
寮?/p>
ABF(
寮?/p>
CDB,
寮?/p>
EFB
绛?/p>
),
寮?/p>
EAC(
寮?/p>
AF,
寮?/p>
CB
绛?/p>
). 2.
涓嶄竴瀹?/p>
,
涓�瀹?/p>
.
3.
鎻愮ず
:
鑱旂粨
OC,
鍙鎺ㄥ嚭鈭燙OD=鈭燚OB
鍗冲彲
.
4.
鎻愮ず
:
鑱旂粨
OD,
鎺ㄥ緱鈭燗OC=鈭燘OD=鈭燛OB,璇佸嚭
AC=BD=BE.
涔犻
26.2
锛?/p>
2
锛?/p>
1. 鈭燗OD,鈭燙OB,鈭燚
OC
锛涒垹DOB,鈭燚OE,鈭燛OB. 2. 40掳.
3.
锛?/p>
1
锛夌湡锛?/p>
锛?/p>
2
锛夊亣锛?/p>
锛?/p>
3
锛夌湡锛?/p>
锛?/p>
4
锛夊亣
.
4.
寮?/p>
CD=
寮?/p>
EB,鈭燚AC=鈭燛AB, 寮?/p>
DE=
寮?/p>
CB,鈭燚AE=鈭燙AB, S鈻矨DC= S鈻矨BE. 涔?/p>
棰?/p>
26.2
锛?/p>
3
锛?/p>
1.
鎻愮ず
:
杩囩偣
O
鍒嗗埆浣?/p>
OM鈯B,ON鈯B,鍨傝冻鍒嗗埆涓虹偣
M,N,
璇佸緱
OM=ON,
鍐嶇敱鍦?/p>
鐨勬�ц川瀹氱悊鎺ㄥ緱
AD=CE.
2.
鎻愮ず
:
杩囩偣
O
浣?/p>
OM鈯D,ON鈯B,鍨傝冻鍒嗗埆涓?/p>
M,N. 3.
鎻愮ず
:
鍏堟帹鍑哄姬
AB=
寮?/p>
AC.
4.
鎻愮ず
:
杩囩偣
O1,O2
鍒嗗埆浣?/p>
O1H鈯B, O2I鈯?/p>
CD,
鍨傝冻鍒嗗埆涓?/p>
H,I.
鐢?
鈻砄1HM鈮屸柍O2IM,鎺ㄥ緱
O1H= O2I,
寰楀姬
AB=
寮?/p>
CD.
涔犻
26.3
锛?/p>
1
锛?/p>
1. 24, 2, 10.
2. 50掳. 3. 5.5
绫?/p>
.