2017骞村崄鍫?/span>涓€?/span>

鏁板璇曢

2017骞村崄鍫颁腑鑰冩暟瀛﹁瘯棰?/span>娉ㄦ剰浜嬮」锛?/span>

1瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛庢湰鍗峰叡鏈?/span>4椤碉紝鍏辨湁25灏忛锛屾弧鍒?/span>120鍒嗭紝鑰冭瘯鏃堕檺120鍒嗛挓锛?/span>

2锛庣瓟棰樺墠锛岃€冪敓鍏堝皢鑷繁鐨勫鍚嶃€佸噯鑰冭瘉鍙峰~鍐欏湪璇曞嵎鍜岀瓟棰樺崱鎸囧畾鐨勪綅缃紝骞惰鐪熸牳瀵规潯褰㈢爜涓婄殑鍑嗚€冭瘉鍙峰拰濮撳悕锛屽湪绛旈鍗¤瀹氱殑浣嶇疆璐村ソ鏉″舰鐮侊紟

3锛庤€冪敓蹇呴』淇濇寔绛旈鍗$殑鏁存磥锛岃€冭瘯缁撴潫鍚庯紝璇峰皢鏈瘯鍗峰拰绛旈鍗′竴骞朵笂瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=浜わ紟

涓€锛?/span>            2017骞村崄鍫颁腑鑰冩暟瀛﹁瘯棰?/span>閫夋嫨棰?/span>

1锛?/span>姘旀俯鐢憋紞2鈩?/span>涓婂崌3鈩?/span>鍚庢槸(聽 ) 鈩?/span>锛?/span>

銆€銆€A锛?/span>1銆€銆€B锛?/span>3銆€銆€C锛?/span>5銆€銆€D锛庯紞5

2瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛?/span>濡傚浘鐨勫嚑浣曚綋锛屽叾宸﹁鍥炬槸(聽 )

 瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=

 瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=

 

3锛庡鍥撅紝AB鈭?/span>DE锛?/span>FG鈯?/span>BC浜?/span>F锛?/span>鈭?/span>CDE锛?/span>40锛屽垯鈭?/span>FGB锛?/span>(聽 )潞

A锛?/span>40銆€銆€B锛?/span>50銆€銆€C锛?/span>60銆€銆€D锛?/span>70

4.涓嬪垪杩愮畻姝g‘鐨勬槸(聽聽 )

A锛?/span>锛?/span>锛?/span>銆€B锛?/span>23锛?/span>6銆€C锛?/span>锛?/span>2銆€D锛?/span>3锛?/span>锛?/span>3銆€銆€

5.鏌愪氦璀﹀湪涓€涓矾鍙g粺璁$殑鏌愭椂娈垫潵寰€杞﹁締鐨勮溅閫熸儏鍐靛涓嬭〃:

杞﹂€?Km/h)

48

49

50

51

52

杞﹁締鏁?杈?

5

4

8

2

1

鍒欎笂杩拌溅閫熺殑涓綅鏁板拰浼楁暟鍒嗗埆鏄?聽 )

A锛?/span>50锛?/span>8銆€銆€B锛?/span>50锛?/span>50銆€銆€C锛?/span>49锛?/span>50銆€銆€D锛?/span>49锛?/span>8[鏉ユ簮:瀛︾缃?/span>ZXXK]

6.涓嬪垪鍛介閿欒鐨勬槸(聽 )

A锛?/span>瀵硅绾夸簰鐩稿钩鍒嗙殑鍥涜竟褰㈡槸骞宠鍥涜竟褰⒙犅犅犅犅?B锛庡瑙?/span>绾跨浉绛夌殑骞宠鍥涜竟褰㈡槸鐭╁舰

C锛?/span>涓€鏉″瑙掔嚎骞冲垎涓€缁勫瑙掔殑鍥涜竟褰㈡槸鑿卞舰聽聽聽 D锛?/span>瀵硅绾夸簰鐩稿瀭鐩寸殑鐭╁舰鏄鏂瑰舰

7. 鐢层€佷箼浜屼汉鍋氭煇绉嶆満姊伴浂浠讹紝鐢叉瘡灏忔椂姣斾箼澶氬仛6涓紝鐢插仛90涓墍鐢ㄧ殑鏃堕棿涓庡仛60

涓墍鐢ㄧ殑鏃堕棿鐩哥瓑锛岃鐢叉瘡灏忔椂鍋?/span>x涓浂浠讹紝涓嬮潰瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=鎵€瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=鍒楁柟绋嬫纭殑鏄?聽 )

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><img src=8锛?/span>濡傚浘锛屽凡鐭ュ渾鏌辩殑搴曢潰鐩村緞BC锛?/span>锛?/span>楂?/span>AB锛?/span>3锛屽皬铏湪鍦嗘煴琛ㄩ潰鐖锛屼粠C鐐圭埇鍒?/span>A鐐癸紝鐒跺悗鍐嶆部鍙︿竴闈㈢埇鍥?/span>C鐐癸紝鍒欏皬铏埇琛岀殑鏈€鐭矾绋嬩负(聽 )

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=A锛?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=銆€銆€B锛?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=銆€銆€C锛?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=銆€銆€D锛?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=9. 濡傚浘锛?/span>10涓笉鍚岀殑姝e伓鏁版寜涓嬪浘鎺掑垪锛岀澶翠笂鏂圭殑姣忎釜鏁伴兘绛変簬鍏朵笅鏂逛袱鏁扮殑鍜岋紝濡偮犅?锛岃〃绀?/span>a1锛?/span>a2锛?/span>a3锛屽垯a1鐨勬渶灏忓€间负(聽 )

A锛?/span>32銆€銆€B锛?/span>36銆€銆€C锛?/span>38銆€銆€D锛?/span>40

10. 濡傚浘锛岀洿绾?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=鍒嗗埆浜?/span>x杞达紝y杞翠簬A锛?/span>B锛?/span>M鏄弽姣斾緥鍑芥暟瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鐨勫浘璞′笂浣嶄簬鐩寸嚎涓婃柟鐨勪竴鐐癸紝 MC鈭?/span>x杞翠氦AB浜?/span>C锛?MD鈯?/span>MC浜?/span>AB浜?/span>D锛?/span>

ACBD锛?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛屽垯k鐨勫€间负(聽 )

A锛庯紞3銆€銆€B锛庯紞4銆€銆€C锛庯紞5銆€銆€D锛庯紞6

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浜岋紟    2017骞村崄鍫颁腑鑰冩暟瀛﹁瘯棰?/span>濉┖棰?/span>

11.鏌愰绮掔墿鐨勭洿寰勬槸0.0000025绫筹紝鎶?/span>0.0000025鐢ㄧ瀛﹁鏁版硶琛ㄧず涓?/span>聽聽聽聽聽聽聽聽聽聽聽聽 锛?/span>

12.鑻?/span>a锛?/span>b锛?/span>1锛屽垯浠f暟寮?/span>2a锛?/span>2b锛?/span>1鐨勫€间负聽聽聽聽聽聽聽聽聽聽聽聽 锛?/span>

13.濡傚浘锛岃彵褰?/span>ABCD涓紝瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=AC浜?/span>BD浜?/span>O锛?/span>DE鈯?/span>BC浜?/span>E.杩炴帴OE锛岃嫢鈭?/span>ABC锛?/span>140潞锛?/span>

鍒?/span>鈭?/span>OED锛?/span>聽聽聽 锛?/span>

14.濡傚浘锛?/span>鈻?/span>ABC鍐呮帴浜?/span>鈯?/span>O锛?/span>鈭?/span>ACB锛?/span>90潞锛?/span>鈭?/span>ACB鐨勮骞冲垎绾夸氦鈯?/span>O浜?/span>D锛岃嫢AC锛?/span>6锛?/span>

BD锛?/span>5瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛屽垯BC鐨勯暱涓?/span>聽聽聽聽聽聽 锛?/span>

15.濡傚浘锛?/span>鐩寸嚎y锛?/span>kx鍜?/span>y锛?/span>ax锛?/span>4浜や簬A(1锛?/span>k)锛?/span>鍒?/span>涓嶇瓑寮?/span>kx锛?/span>6锛?/span>ax锛?/span>4锛?/span>kx鐨勮В闆?/span>涓?/span>聽聽聽聽聽聽 锛?/span>

16.濡傚浘锛屾鏂瑰舰ABCD涓紝BE锛?/span>EF锛?/span>FC锛?/span>CG锛?/span>2GD锛?/span>BG鍒嗗埆浜?/span>AE锛?/span>AF浜?/span>M锛?/span>N锛?/span>

銆€涓嬪垪缁撹锛?/span>鈶?/span>AF鈯?/span>BG锛?/span>鈶?/span>BN锛?/span>NF锛?/span>鈶?/span>锛?/span>锛?/span>鈶?/span>S鍥涜竟褰?/span>CGNF 锛?/span>S鍥涜竟褰?/span>ANGD锛?/span>

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鍏朵腑姝g‘鐨勭粨璁虹殑搴忓彿鏄?/span>聽聽聽聽聽聽 锛?/span>

 

 

 

 

 

涓?/span>.2017骞村崄鍫颁腑鑰冩暟瀛﹁瘯棰?/span>瑙g瓟棰?/span>

17.(5鍒?/span>)璁$畻:瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=.

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21. (7鍒?/span>) 宸茬煡鍏充簬x鐨勬柟绋?/span>x2锛?/span>(2k锛?/span>1)x锛?/span>k2锛?/span>1锛?/span>0鏈変袱涓疄鏁版牴x1锛?/span>x2锛?/span>

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D涓哄崐鈯?/span>O涓婄殑涓€鐐癸紝杩炴帴BD骞跺欢闀夸氦鍗?/span>鈯?/span>O鐨勫垏绾?/span>AE浜?/span>E锛?

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24. (10鍒?/span>)宸茬煡O涓虹洿绾?/span>MN涓婁竴鐐癸紝OP鈯?/span>MN锛屽湪绛夎叞Rt鈻?/span>ABO涓紝鈭?/span>BAO锛?/span>90潞锛?/span>AC鈭?/span>OP

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25. (12鍒?/span>)鎶涚墿绾?/span>y锛?/span>x2锛?/span>bx锛?/span>c涓?/span>x杞翠氦浜?/span>A(1锛?/span>0)锛?/span>B(m锛?/span>0)锛屼笌y杞翠氦浜?/span>C.

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2017骞村崄鍫颁腑鑰冩暟瀛﹁瘯棰?/span>

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锛?/span>3锛夎姝f柟褰㈢殑杈归暱涓?/span>3锛屽垯

GH=2锛?/span>HP=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛屽緱GP=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鐢?/span>GP//BC寰椻柍GPM锝?/span>鈻?/span>BME

鈭?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭粹憿姝g‘.

锛?/span>4锛夎姝f柟褰㈢殑杈归暱涓?/span>3锛屽垯

S鈻?/span>BCG= S鈻?/span>ABF=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>SCGNF=S鈻?/span>ABM=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>SABGD=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>SANGD=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>SCGNF锛?/span>SANGD=27锛?/span>51鈮?:2

鈭粹懀涓嶆纭?/span>.

鈭存纭殑閫夐」涓?/span>鈶犫憿.

[鏉ユ簮:Z*xx*k.Com]

17銆佽В锛氬師寮?/span>=2-2+1=1锛?/span>

18銆佽В锛氬師寮?/span>=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛?/span>

 

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=19銆佽В鏋愶細鐢扁垹BAD=鈭燘=30掳鍙緱AD=BD=12

鈭碘垹ADC=60掳,聽聽 鈭碅C=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭存病鏈夎Е绀佺殑鍗遍櫓.

 

20銆佽В锛?/span>

锛?锛夋娊鏍疯皟鏌?/span>

锛?锛塁鐝珮搴︿负10锛?4梅4脳30=180锛堜欢锛夛紱

锛?锛塒=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=21銆?/span>锛?锛?/span>k鈮?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛浡?锛?锛?/span>k =-2.

22銆?/span>锛?锛?/span>y锛?0x+60锛?鈮?/span>x鈮?2锛屼笖x涓烘暣鏁帮紱

锛?锛夎鍒╂鼎涓篧鍏?鐢遍鎰忓緱锛?/span>

w=(36-x-24)(10x+60)

鏁寸悊寰楋紝w锛?10x2锛?/span>60x+720锛?10(x-3)2锛?10

鈭?/span>a= -10锛?锛屼笖1鈮?/span>x鈮?2聽

鈭村綋x=3鏃讹紝w鏈夋渶澶у€?10

鈭村敭浠蜂负36-3=33

绛旓細褰撳畾瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=浠蜂负33鍏?绠辨椂锛屾瘡鏈堢墰濂堕攢鍞埄娑︽渶澶э紝鏈€澶у埄娑︽槸810鍏?

 瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=23銆?/span>锛?/span>1锛夎瘉鏄庯細鐣ワ紱锛堟闂畝鍗曪級

锛?/span>2锛?/span>杩炴帴AD.

鈭?/span>DF鈯C

鈭粹垹1+鈭燘DF=90掳

鈭礎B鏄姍O鐨勭洿寰?/span>[鏉ユ簮:Zxxk.Com]

鈭粹垹2+鈭燘DF=90掳

鈭粹垹1=鈭?/span>2

鍙堚埖鈭?+鈭燗BD=90掳, 鈭?+鈭燗BD=90掳

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鈭粹垹3=鈭?/span>4

鈭?/span>鈻?/span>ADF锝炩柍BCD

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style= 

24銆侊紙1锛夆憼AC=OE锛涒憽CA+CO=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛?/span>

锛?/span>2锛夌粨璁衡憽浠嶇劧鎴愮珛. 鐞嗙敱锛?/span>杩炴帴AD.

鈭碘柍OAB鏄瓑鑵扮洿瑙掍笁瑙掑舰锛屼笖D涓?/span>OB鐨勪腑鐐?/span>

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鈭?/span>AD鈯?/span>OB锛?/span>AD=DO

鈭粹垹ADO=90掳

鈭粹垹ADC+鈭?/span>CDO=90掳

鈭?/span>DE鈯?/span>CD

鈭粹垹CDE=鈭?/span>ODE+鈭?/span>CDO=90掳

鈭?/span>鈭?/span>ADC=鈭?/span>ODE

鈭?/span>AC鈯?/span>MN

鈭粹垹ACO=90掳[鏉ユ簮:Zxxk.Com]

鈭?/span>鈭?/span>CAD+鈭?/span>DOC=360掳-90掳-90掳=180掳

鈭?/span>鈭?/span>DOE+鈭?/span>DOC=180掳

鈭?/span>鈭?/span>CAD=鈭?/span>DOE

鍦?/span>鈻?/span>ACD鍜?/span>鈻?/span>DOE涓?/span>

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鈭?/span>ADC=鈭燨DE

鈭?/span>DAC=鈭燚OE

聽聽 AD=DO

鈭粹柍ACD鈮?/span>鈻?/span>DOE锛?/span>ASA锛?/span>

鈭?/span>AC=OE锛?/span>CD=DE

鈭?/span>鈭?/span>CDE=90掳

鈭粹柍CDE鏄瓑鑵扮洿瑙掍笁瑙掑舰

鈭?/span>OE+CO=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>CA+CO=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=

锛?/span>3锛?/span>濡傚彸鍥炬墍绀?/span>锛?/span>CO-CA=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=瑙f瀽锛?/span>杩炴帴AD锛?/span>

鍏堣瘉鏄?/span>鈻?/span>ACD鈮?/span>鈻?/span>DOF锛?/span>ASA锛夛紝寰?/span>CA=OF锛?/span>CD=DF锛?/span>

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鐒跺悗璇佹槑鈻矯DF鏄瓑鑵扮洿瑙掍笁瑙掑舰锛屽緱锛?/span>

CO-OF=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=锛屾墍浠?/span>CO-CA=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=25銆侊紙1锛?/span>y=x2+2x-3

锛?/span>2锛夆埖鐐?/span>A锛?/span>1锛?/span>0锛夛紝C锛?/span>0锛?/span>-3锛?/span>

鈭寸洿绾?/span>AC涓?/span>y= 3x-3

鈭磋繃鐐?/span>D锛?/span>-1锛?/span>0锛変笖骞宠浜?/span>AC鐨勭洿绾?/span>L1涓猴細y= 3x+3

鈭寸洿绾?/span>AC鍚戜笂骞崇Щ6涓崟浣嶅緱鍒扮洿绾?/span>L1

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=鈭村皢鐩寸嚎AC鍚戜笂骞崇Щ瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=涓崟浣嶅緱鍒?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=鐩寸嚎L2锛?/span>y=3x+17

鑱旂珛鏂圭▼缁勶紝

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=y=x2+2x-3

y=3x+17

瑙e緱锛?/span>

瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=x1=-4聽聽聽聽聽聽聽聽聽聽 x1=5聽聽聽聽聽聽聽聽聽聽

y1=5聽聽聽聽聽聽聽聽聽聽聽 y1=32聽 (涓嶅悎棰樻剰锛岃垗鍘?/span>)

鈭寸偣E鍧愭爣涓猴紙-4锛?/span>5锛?/span>

 

锛?/span>3锛夎鐐?/span>P锛?/span>0锛?/span>y锛?/span>

鈶犲綋m锛?鏃讹紝濡傚浘鎵€绀猴紝鏄撹瘉鈻砅OB锝炩柍FPG锛屽緱

 瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>m=y2+4y=(y+2)2-4

鈭?/span>-4锛?/span>y锛?

鈭?4鈮锛?

鈶″綋m锛?鏃讹紝濡?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /><span style=鍥炬墍绀猴紝鏄撹瘉鈻砅OB锝炩柍FPG锛屽緱

 瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? style=瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>瀛︾缃?www.zxxk.com)--鏁欒偛璧勬簮闂ㄦ埛锛屾彁渚涜瘯鍗枫€佹暀妗堛€佽浠躲€佽鏂囥€佺礌鏉愬強鍚勭被鏁欏璧勬簮涓嬭浇锛岃繕鏈夊ぇ閲忚€屼赴瀵岀殑鏁欏鐩稿叧璧勮锛? /></p><p style=鈭?/span>m= -y2 -4y= -(y+2)2+4

鈭?/span>-4锛?/span>y锛?

鈭?锛渕鈮?

缁间笂鎵€杩帮紝m鐨勫彇鍊艰寖鍥存槸锛?/span>-4鈮鈮?锛屼笖m鈮?.