瀛︿範蹇呭
娆㈣繋涓嬭浇
2017
涓�冩暟瀛?/p>
瓒呭疄鐢?/p>
閲嶇偣鐭ヨ瘑鐐?/p>
绗竴绔?/p>
瀹炴暟
鑰冪偣涓�銆佸疄鏁扮殑姒傚康鍙婂垎绫?/p>
锛?/p>
3
鍒嗭級
1
銆佸疄鏁扮殑鍒嗙被
姝ｆ湁鐞嗘暟
鏈夌悊鏁?/p>
闆?/p>
鏈夐檺灏忔暟鍜屾棤闄愬惊鐜皬鏁?/p>
瀹炴暟
璐熸湁鐞嗘暟
姝ｆ棤鐞嗘暟
鏃犵悊鏁?/p>
鏃犻檺涓嶅惊鐜皬鏁?/p>
璐熸棤鐞嗘暟
2
銆佹棤鐞嗘暟
鍦ㄧ悊瑙ｆ棤鐞嗘暟鏃讹紝瑕佹姄浣忊�滄棤闄愪笉寰幆鈥濊繖涓�鏃朵箣锛屽綊绾宠捣鏉ユ湁鍥涚被锛?/p>
锛?/p>
1
锛夊紑鏂瑰紑涓嶅敖鐨勬暟锛屽
3
2
,
7
绛夛紱
锛?/p>
2
锛夋湁鐗瑰畾鎰忎箟鐨勬暟锛屽鍦嗗懆鐜?/p>
蟺
锛屾垨鍖栫畝鍚庡惈鏈?/p>
蟺
鐨勬暟锛屽
3
蟺
+8
绛夛紱
锛?/p>
3
锛夋湁鐗瑰畾缁撴瀯鐨勬暟锛屽
0.1010010001
鈥︾瓑锛?/p>
锛?/p>
4
锛夋煇浜涗笁瑙掑嚱鏁帮紝濡?/p>
sin60
o
绛?/p>
鑰冪偣浜屻�佸疄鏁扮殑鍊掓暟銆佺浉鍙嶆暟鍜岀粷瀵瑰�?/p>
锛?/p>
3
鍒嗭級
1
銆佺浉鍙嶆暟
瀹炴暟涓庡畠鐨勭浉鍙嶆暟鏃朵竴瀵规暟锛堝彧鏈夌鍙蜂笉鍚岀殑涓や釜鏁板彨鍋氫簰涓虹浉鍙嶆暟锛岄浂鐨勭浉鍙嶆暟鏄浂锛?/p>
锛屼粠鏁拌酱涓婄湅锛?/p>
浜掍负鐩稿弽鏁扮殑涓や釜鏁版墍瀵瑰簲鐨勭偣鍏充簬鍘熺偣瀵圭О锛屽鏋?/p>
a
涓?/p>
b
浜掍负鐩稿弽鏁帮紝鍒欐湁
a+b=0
锛?/p>
a=
鈥?/p>
b
锛屽弽涔嬩害鎴愮珛銆?/p>
2
銆佺粷瀵瑰�?/p>
涓�涓暟鐨勭粷瀵瑰�煎氨鏄〃绀鸿繖涓暟鐨勭偣涓庡師鐐圭殑璺濈锛?/p>
|a|
鈮?/p>
0
銆?/p>
闆剁殑缁濆鍊兼椂瀹冩湰韬紝
涔熷彲鐪嬫垚瀹冪殑鐩稿弽鏁帮紝
鑻?/p>
|a|=a
锛屽垯
a
鈮?/p>
0
锛涜嫢
|a|=-a
锛屽垯
a
鈮?/p>
0
銆傛鏁板ぇ浜庨浂锛岃礋鏁板皬浜庨浂锛屾鏁板ぇ浜庝竴鍒囪礋鏁帮紝涓や釜璐熸暟锛岀粷瀵瑰�煎ぇ鐨?/p>
鍙嶈�屽皬銆?/p>
3
銆佸�掓暟
濡傛灉
a
涓?/p>
b
浜掍负鍊掓暟锛屽垯鏈?/p>
ab=1
锛屽弽涔嬩害鎴愮珛銆傚�掓暟绛変簬鏈韩鐨勬暟鏄?/p>
1
鍜?/p>
-1
銆傞浂娌℃湁鍊掓暟銆?/p>
鑰冪偣涓夈�佸钩鏂规牴銆佺畻鏁板钩鏂规牴鍜岀珛鏂规牴
锛?/p>
3
鈥?/p>
10
鍒嗭級
1
銆佸钩鏂规牴
濡傛灉涓�涓暟鐨勫钩鏂圭瓑浜?/p>
a
锛岄偅涔堣繖涓暟灏卞彨鍋?/p>
a
鐨勫钩鏂规牴锛堟垨浜屾鏂硅窡锛?/p>
銆?/p>
涓�涓暟鏈変袱涓钩鏂规牴锛屼粬浠簰涓虹浉鍙嶆暟锛涢浂鐨勫钩鏂规牴鏄浂锛涜礋鏁版病鏈夊钩鏂规牴銆?/p>
姝ｆ暟
a
鐨勫钩鏂规牴璁板仛鈥?/p>
a
飩?/p>
鈥?/p>
銆?/p>
2
銆佺畻鏈钩鏂规牴
姝ｆ暟
a
鐨勬鐨勫钩鏂规牴鍙仛
a
鐨勭畻鏈钩鏂规牴锛岃浣溾�?/p>
a
鈥?/p>
銆?/p>
姝ｆ暟鍜岄浂鐨勭畻鏈钩鏂规牴閮藉彧鏈変竴涓紝闆剁殑绠楁湳骞虫柟鏍规槸闆躲�?/p>
a
锛?/p>
a
飩?/p>
0
锛?/p>
0
飩?/p>
a
飥?/p>
飥?/p>
a
a
2
锛涙敞鎰?/p>
a
鐨勫弻閲嶉潪璐熸�э細
-
a
锛?/p>
a
<0
锛?/p>
a
飩?/p>
0
3
銆佺珛鏂规牴