榄呭姏鐟滀冀缃戜负鎮ㄦ壘鍒"

新2国际

"鐩稿叧缁撴灉
<strong>2</strong>-<strong>2</strong>-<strong>2</strong> - Wikipedia

2-2-2 - Wikipedia

Under the Whyte notation for the classification of steam locomotives, 2-2-2 represents the wheel arrangement of two leading wheels on one axle, two powered driving ...
en.wikipedia.org/wiki/2-2-2
<strong>2</strong>锛堣嚜鐒舵暟涔嬩竴锛塤鐧惧害鐧剧

2锛堣嚜鐒舵暟涔嬩竴锛塤鐧惧害鐧剧

2锛屾槸涓涓嚜鐒舵暟锛屽悓鏃朵篃鏄1鍜3涔嬮棿鐨勬鏁存暟銆2锛屾湁寰堝鏁板鎬ц川锛屽鏋滀竴涓暟鑳借2鏁撮櫎锛岄偅涓暟灏辨槸鍋舵暟锛屽弽涔嬪垯鏄鏁般2鏄渶灏忕殑璐ㄦ暟锛堜篃鍙礌鏁帮級锛屼篃鏄 ...
baike.baidu.com/item/2
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鐧惧害涓涓嬶紝浣犲氨鐭ラ亾

鐧惧害涓涓嬶紝浣犲氨鐭ラ亾

鐧惧害涓涓嬶紝浣犲氨鐭ラ亾 ... 鎵嬫満鐧惧害
www.baidu.com
姹傛暟鍒1,1+<strong>2</strong>,1+<strong>2</strong>+<strong>2</strong>^<strong>2</strong>锛1+<strong>2</strong>+<strong>2</strong>^<strong>2</strong>+<strong>2</strong>^3...鍓峮椤瑰拰--鍦ㄧ嚎闂瓟

姹傛暟鍒1,1+2,1+2+2^2锛1+2+2^2+2^3...鍓峮椤瑰拰--鍦ㄧ嚎闂瓟

=-2+ 2 n+1 Tn=-4+(-1) n-2 + 2 n+1 5妤 娴崕涔辨祦骞 [2013-03-21 21:28] 璁捐繖涓暟鍒楃殑绗琻椤逛负an 鍒檃n=1+2+...+2^锛坣-1锛=2^n-1 璁捐繖涓暟鍒楃殑鍓峮椤瑰拰涓篠n Sn=锛2 ...
www.jyeoo.com/wenda/askinfo/9648d18e-d45a-407e-9d8...
鍥芥嘲鑸┖鎬т笐闂诲浘鐗囨洕鍏 绌哄鏈洪暱鍏劧鍦ㄩ鏈轰笂鍙d氦(缁勫浘)(<strong>2</strong>)

鍥芥嘲鑸┖鎬т笐闂诲浘鐗囨洕鍏 绌哄鏈洪暱鍏劧鍦ㄩ鏈轰笂鍙d氦(缁勫浘)(2)

鍥芥嘲鑸┖涓戦椈濂充富瑙掕纭 鍥芥嘲鎬ュ彫杩旀腐璋冩煡 鎹姤閬擄紝鍥芥嘲绌哄鍙婇琛屽憳闂磋繎鏃ユ祦浼犱竴鍒欐秷鎭紝鎸囨湁澶栫睄椋炶鍛樺強浜氳绌哄鍦ㄦ満鑸卞唴鎷嶄笅澶氬紶鎯呮鐓э紝鐢氳嚦 ...
finance.591hx.com/article/2011-08-12/0000059507s_1...
<strong>2</strong>-涓侀唶_鐧惧害鐧剧

2-涓侀唶_鐧惧害鐧剧

2-涓侀唶锛氭棤鑹查忔槑娑蹭綋锛屾湁绫讳技钁¤悇閰掔殑姘斿懗銆傜敤浣滅敓浜х敳涔欓叜鐨勪腑闂翠綋锛岀敤浜庡埗閱嬮吀涓侀叝銆佷徊涓侀叝锛屽彲鐢ㄤ綔澧炲鍓傘侀夌熆鍓傘侀櫎鑽夊墏銆佹憾鍓傜瓑銆
baike.baidu.com/item/2-涓侀唶
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