绗叓璁诧細涓�冨帇杞撮涓撻
锛堜簩娆″嚱鏁扮患鍚堣缁冿級
1
锛庡鍥?/p>
1
锛屽凡鐭ュ紑鍙ｅ悜涓嬬殑鎶涚墿绾?/p>
y
1
=ax
2
锕?/p>
2ax
+
1
杩囩偣
A
锛?/p>
m
锛?/p>
1
锛?/p>
锛屼笌
y
杞翠氦浜庣偣
C
锛岄《鐐逛负
B
锛屽皢鎶涚墿绾?/p>
y
1
缁曠偣
C
鏃嬭浆
180掳
鍚庡緱鍒版姏鐗╃嚎
y
2
锛岀偣
A
锛?/p>
B
鐨勫搴旂偣鍒嗗埆涓虹偣
D
锛?/p>
E
锛?/p>
锛?/p>
1
锛夌洿鎺ュ啓鍑虹偣
A
锛?/p>
C
锛?/p>
D
鐨勫潗鏍囷紱
锛?/p>
2
锛夊綋鍥涜竟褰?/p>
ABDE
鏄煩褰㈡椂锛屾眰
a
鐨勫�煎強鎶涚墿绾?/p>
y
2
鐨勮В鏋愬紡锛?/p>
锛?/p>
3
锛夊湪锛?/p>
2
锛夌殑鏉′欢涓嬶紝杩炴帴
DC
锛岀嚎娈?/p>
DC
涓婄殑鍔ㄧ偣
P
浠庣偣
D
鍑哄彂锛屼互姣忕
1
涓崟浣嶉暱搴︾殑閫熷害杩愬姩鍒扮偣
C
鍋滄锛?/p>
鍦ㄧ偣
P
杩愬姩鐨勮繃绋嬩腑锛?/p>
杩囩偣
P
浣滅洿绾?/p>
l
鈯?/p>
x
杞达紝
灏嗙煩褰?/p>
ABDE
娌跨洿绾?/p>
l
鎶樺彔锛?/p>
璁剧煩褰㈡姌鍙犲悗鐩镐簰閲嶅悎閮ㄥ垎闈㈢Н涓?/p>
S
骞虫柟
鍗曚綅锛岀偣
P
鐨勮繍鍔ㄦ椂闂翠负
t
绉掞紝姹?/p>
S
涓?/p>
t
鐨勫嚱鏁板叧绯伙紟
