2.3
鐩稿弽鏁颁笌缁濆鍊?/p>
瀛︽
銆愬涔犵洰鏍囥�?/p>
1
銆佸�熷姪鏁拌酱锛屼簡瑙ｇ浉鍙嶆暟鐨勬剰涔?/p>
,
浼氭眰涓�涓暟鐨勭浉鍙嶆暟銆?/p>
2
銆佸�熷姪鏁拌酱锛屽垵姝ョ悊瑙ｇ粷瀵瑰�肩殑鎰忎箟锛岃兘姹傚嚭涓�涓暟鐨勭粷瀵瑰�笺�?/p>
3
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銆愯鍐呮帰绌躲�?/p>
涓�
銆?/p>
娓╂晠鑰岀煡鏂?/p>
闂
1:
浣犺兘鐢讳竴鏉℃暟杞达紝骞舵爣鍑?/p>
-5
鍜?/p>
5
锛?/p>
-0.5
鍜?/p>
0.5
锛?/p>
0
鐨勭偣鍚楋紵
闂
2
锛氫綘鍙戠幇鏁拌酱涓婄殑杩欎簺鐐圭殑鎺掑垪鏈変粈涔堢壒鐐癸紵
浜屻�佽嚜涓诲涔?/p>
1
銆佽嚜瀛﹁鏈�滀氦娴佷笌鍙戠幇鈥?/p>
銆?/p>
2
銆佽瀵熸暟杞翠笂鐨勪袱瀵圭偣
A
鍜?/p>
A
鈥诧紝
B
鍜?/p>
B
鈥?/p>
,
瀹冧滑鍒嗗埆琛ㄧず浠�涔堟暟锛熷畠浠湁鎬庢牱鐨勪綅缃?/p>
鍏崇郴锛?/p>
A
B
B
鈥?/p>
A
鈥?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
鈼?/p>
-5
-4
-3
-2
-1
0
1
2
3
4
5
锛?/p>
1
锛夋暟锛?/p>
4
涓?/p>
4
鏈変粈涔堢浉鍚岀偣涓庝笉鍚岀偣锛燂紞
2.5
涓?/p>
2.5
鍛紵
锛?/p>
2
锛変綘杩樿兘璇村嚭涓や釜鍏锋湁杩欑鐗瑰緛鐨勬暟鍚楋紵骞朵笌鍚屾浜ゆ祦浣犵殑鎯虫硶銆?/p>
锛?/p>
3
锛夊綊绾崇浉鍙嶆暟鐨勬剰涔夛細
锛?/p>
4
锛夋暟杞翠笂琛ㄧず
5
锛?/p>
2
锛?/p>
1
2
鐨勭偣鍒板師鐐圭殑璺濈鍒嗗埆鏄灏戯紵
锛?/p>
5
锛夋暟杞翠笂琛ㄧず
-5
锛?/p>
-2
锛?/p>
-
1
2
鐨勭偣鍒板師鐐圭殑璺濈鍒嗗埆鏄灏戯紵
锛?/p>
6
锛夋暟杞翠笂琛ㄧず
0
鐨勭偣鍒板師鐐圭殑璺濈鏄灏戯紵
3
銆佷粈涔堝彨鏁?/p>
a
鐨勭粷瀵瑰�硷紵
4
銆佹湁鐞嗘暟
a
鐨勭粷瀵瑰�兼�庢牱琛ㄧず锛?/p>
5
銆佽濉┖锛?/p>
|2|
锛?/p>
____
锛?/p>
|
1
2
|=_____
锛?/p>
|-5|
锛?/p>
_____
锛?/p>
|
锛?/p>
2|____
锛?/p>
|0|
锛?/p>
_____
銆?/p>
浠庝笂闈㈢殑濉┖锛屼綘鍙戠幇涓�涓暟鍜屽畠鐨勭粷瀵瑰�兼湁浠�涔堝叧绯伙紵
6
銆佹湁鏁堣缁?/p>
锛?/p>
1
锛夛紞
5
鍜?/p>
____
浜掍负鐩稿弽鏁帮紝鈥曪紙鈥?/p>
8
锛夊拰
_____
浜掍负鐩稿弽鏁般�?/p>
锛?/p>
2
锛変换浣曟湁鐞嗘暟鐨勭粷瀵瑰�兼槸姝ｆ暟銆?/p>
( )
锛?/p>
3
锛夊鏋滀袱涓暟鐨勭粷瀵瑰�肩浉绛夛紝閭ｄ箞杩欎袱涓暟蹇呯劧鏄簰涓虹浉鍙嶆暟锛?/p>
( )
涓夈�佸悎浣滀氦娴侊細姣旇緝涓や釜璐熸暟鐨勫ぇ灏?/p>
1
銆佷綘浼氭瘮杈?/p>
-1
涓?/p>
-3
鐨勫ぇ灏忓悧锛熷畠浠殑缁濆鍊肩殑澶у皬鍛紵
-
3
2
鍜?/p>
-
5
2
鍛紵
2
銆佷綘鑳界寽鎯冲嚭涓や釜璐熸暟鐨勫ぇ灏忎笌瀹冧滑鐨勭粷瀵瑰�肩殑澶у皬鏈変粈涔堝叧绯诲悧锛?/p>
渚?/p>
1
姣旇緝
-
4
3
鍜?/p>
-
5
4
鐨勫ぇ灏?/p>
鍥涖�佸綊绾冲皬缁?/p>
1
銆佹湰鑺傝鎴戜滑瀛︿範浜嗗摢浜涚煡璇嗭紵
2
銆佸涔犺繃绋嬩腑鐢ㄤ簡鍝簺鏁板鏂规硶锛?/p>
浜斻�佸綋鍫傝揪鏍?/p>
1
銆佸～绌猴細
锛?/p>
1
锛?/p>
-
锛?/p>
-16
锛?/p>
=_____
锛?/p>
锛?/p>
2
锛?/p>
-
锛?/p>
+25
锛?/p>
=______
锛?/p>
锛?/p>
3
锛?/p>
+
锛?/p>
-12
锛?/p>
=_____
锛?/p>
锛?/p>
4
锛夛赋
-2.4
锔?/p>
=
锛?/p>
锛?/p>
5
锛夛赋
+1.57
锔?/p>
=
锛?/p>
锛?/p>
6)
锔?/p>
5
3
锔?/p>
=_
锛?/p>
锛?/p>
7
锛夌粷瀵瑰�煎皬浜?/p>
5
鐨勬暣鏁版湁
.
2
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锛?/p>
1
锛夊湪鏁拌酱涓婏紝璺濈鍘熺偣
3
涓崟浣嶉暱搴︾殑鐐硅〃绀虹殑鏁版槸浠�涔堟暟锛?/p>
锛?/p>
2
锛夊湪鏁拌酱涓婏紝璺濈鍘熺偣
6
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3
銆佽嫢涓�涓暟鐨勭浉鍙嶆暟鏄?/p>
3
锛屽垯杩欎釜鏁版槸锛?/p>
锛?/p>
A. -
3
1
B.
3
1
C. -3
D. 3