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2019
骞村叚骞寸骇鏁板涓婂唽鐭ヨ瘑鐐规眹鎬讳汉鏁欑増
绗竴鍗曞厓鍒嗘暟涔樻硶
涓�銆佸垎鏁颁箻娉?/p>
(
涓�
)
鍒嗘暟涔樻硶鐨勬剰涔夛細
1
銆佸垎鏁颁箻鏁存暟涓庢暣鏁颁箻娉曠殑鎰忎箟鐩稿悓
.
閮芥槸姹傚嚑涓浉鍚屽姞鏁扮殑鍜岀殑绠�
渚胯繍绠?/p>
.
渚嬪锛?/p>
65
脳
5
琛ㄧず姹?/p>
5
涓?/p>
65
鐨勫拰鏄灏?/p>
?
1/3
脳
5
琛ㄧず姹?/p>
5
涓?/p>
1/3
鐨勫拰
鏄灏?/p>
?
2
銆佷竴涓暟涔樺垎鏁扮殑鎰忎箟鏄眰涓�涓暟鐨勫嚑鍒嗕箣鍑犳槸澶氬皯
.
渚嬪锛?/p>
1/3
脳
4/7
琛ㄧず姹?/p>
1/3
鐨?/p>
4/7
鏄灏?/p>
.
4
脳
3/8
琛ㄧず姹?/p>
4
鐨?/p>
3/8
鏄灏?/p>
.
(
浜?/p>
)
銆佸垎鏁颁箻娉曠殑璁＄畻娉曞垯锛?/p>
1
銆佸垎鏁颁笌鏁存暟鐩镐箻锛氬垎瀛愪笌鏁存暟鐩镐箻鐨勭Н鍋氬垎瀛愶紝鍒嗘瘝涓嶅彉
.(
鏁存暟鍜?/p>
鍒嗘瘝绾﹀垎
)
2
銆佸垎鏁颁笌鍒嗘暟鐩镐箻锛氱敤鍒嗗瓙鐩镐箻鐨勭Н鍋氬垎瀛愶紝鍒嗘瘝鐩镐箻鐨勭Н鍋氬垎姣?/p>
.
娉ㄦ剰锛氬綋甯﹀垎鏁拌繘琛屼箻娉曡绠楁椂锛岃鍏堟妸甯﹀垎鏁板寲鎴愬亣鍒嗘暟鍐嶈繘琛岃
绠?/p>
.
3
銆佷负浜嗚绠楃畝渚匡紝鑳界害鍒嗙殑瑕佸厛绾﹀垎锛屽啀璁＄畻
.
锛堝敖閲忕害鍒嗭紝涓嶄細绾?/p>
鍒嗙殑灏变笉绾︼紝
甯歌�冪殑璐ㄥ洜鏁版湁
11
脳
11=121
锛?/p>
13
脳
13=169
锛?/p>
17
脳
17=289
锛?/p>
19
脳
19=361
锛?/p>
4
銆?/p>
灏忔暟涔樺垎鏁帮紝
鍙互鍏堟妸灏忔暟鍖栦负鍒嗘暟锛?/p>
涔熷彲浠ユ妸鍒嗘暟鍖栨垚灏忔暟鍐嶈
绠楋紙寤鸿鎶婂皬鏁板寲鍒嗘暟鍐嶈绠楋級
.
(
涓?/p>
)
銆?/p>
涔樻硶涓瘮杈冨ぇ灏忕殑瑙勫緥
涓�涓暟
(0
闄ゅ
)
涔樺ぇ浜?/p>
1
鐨勬暟锛岀Н澶т簬杩欎釜鏁?/p>
.
涓�涓暟
(0
闄ゅ
)
涔樺皬浜?/p>
1
鐨勬暟
(0
闄ゅ
)
锛岀Н灏忎簬杩欎釜鏁?/p>
.
涓�涓暟
(0
闄ゅ
)
涔?/p>
1
锛岀Н绛変簬杩欎釜鏁?/p>
.
(
鍥?/p>
)
銆佸垎鏁版贩鍚堣繍绠楃殑杩愮畻椤哄簭鍜屾暣鏁扮殑杩愮畻椤哄簭鐩稿悓
.
鏁存暟涔樻硶
鐨勪氦鎹㈠緥銆佺粨鍚堝緥鍜屽垎閰嶅緥锛屽浜庡垎鏁颁箻娉曚篃鍚屾牱閫傜敤
.
涔樻硶浜ゆ崲寰嬶細
a
脳
b = b
脳
a
涔樻硶缁撳悎寰嬶細
( a
脳
b )
脳
c = a
脳
( b
脳
c )
涔樻硶鍒嗛厤寰嬶細
( a + b )
脳
c = a c + b c
浜屻�?/p>
鍒嗘暟涔樻硶鐨勮В鍐抽棶棰?/p>
(
宸茬煡鍗曚綅
鈥?/p>
1
鈥?/p>
鐨勯噺
(
鐢ㄤ箻娉?/p>
)
锛?/p>
鍗虫眰鍗曚綅
鈥?/p>
1
鈥?/p>
鐨勫嚑鍒嗕箣鍑犳槸澶氬皯
)
1
銆佺敾绾挎鍥撅細
(1)
涓や釜閲忕殑鍏崇郴锛氱敾涓ゆ潯绾挎鍥撅紝鍏堢敾鍗曚綅涓�鐨勯噺锛?/p>
娉ㄦ剰涓ゆ潯绾挎鐨勫乏杈硅瀵归綈
.(2)
閮ㄥ垎鍜屾暣浣撶殑鍏崇郴锛氱敾涓�鏉＄嚎娈靛浘
.
2
銆佹壘鍗曚綅鈥?/p>
1
鈥?/p>
锛?/p>
鍗曚綅鈥?/p>
1
鈥?/p>
鍦ㄥ垎鐜囧彞涓垎鐜囩殑鍓嶉潰锛?/p>
鎴栧湪鈥滃崰鈥?/p>
銆?/p>
鈥滄槸鈥?/p>
銆?/p>
鈥滄瘮鈥?/p>
鈥滅浉褰撲簬鈥濈殑鍚庨潰
.
3
銆佸啓鏁伴噺鍏崇郴寮忕殑鎶�宸э細
(1)
鈥滅殑鈥?/p>
鐩稿綋浜?/p>
鈥溍椻�?/p>
锛?/p>
鈥滃崰鈥?/p>
銆?/p>
鈥滅浉褰撲簬鈥?/p>
鈥滄槸鈥?/p>
銆?/p>
鈥滄瘮鈥濇槸
鈥?/p>
=
鈥?/p>
(2)
鍒嗙巼鍓嶆槸鈥滅殑鈥濆瓧锛氱敤鍗曚綅鈥?/p>
1
鈥濈殑閲徝楀垎鐜?/p>
=
鍏蜂綋閲?/p>
渚嬪锛氱敳鏁版槸
20
锛岀敳鏁扮殑
1/3
鏄灏戯紵鍒楀紡鏄細
20
脳
1/3
4
銆佺湅鍒嗙巼鍓嶆湁娌℃湁澶氭垨灏戠殑闂锛涘垎鐜囧墠鏄�滃鎴栧皯鈥濈殑鍏崇郴寮忥細
锛堟瘮灏戯級
锛氬崟浣嶁�?/p>
1
鈥濈殑閲徝?/p>
(1-
鍒嗙巼
)=
鍏蜂綋閲忥紱
渚嬪锛氱敳鏁版槸
50
锛屼箼鏁版瘮鐢叉暟灏?/p>
1/2
锛屼箼鏁版槸澶氬皯锛?/p>
鍒楀紡鏄細
50
脳锛?/p>
1-1/2
锛?/p>
锛堟瘮澶氾級
锛氬崟浣嶁�?/p>
1
鈥濈殑閲徝?/p>
(1+
鍒嗙巼
)=
鍏蜂綋閲?/p>
渚嬪锛氬皬绾㈡湁
30
鍏冮挶锛屽皬鏄庢瘮灏忕孩澶?/p>
3/5
锛屽皬绾㈡湁澶氬皯閽憋紵
鍒楀紡鏄細
50
脳锛?/p>
1+3/5
锛?/p>
3
銆佹眰涓�涓暟鐨勫嚑鍊嶆槸澶氬皯锛氱敤
涓�涓暟脳鍑犲�嶏紱