绗?/p>
1
椤?/p>
鍏?/p>
33
椤?/p>
2013-2014
瀛﹀勾娴欐睙鐪佹澀宸炲競鏂囨緶涓鍏勾绾э紙涓嬶級鏈熸湯
鏁板璇曞嵎
鑰冪敓椤荤煡锛?/p>
1
锛庢湰璇曞嵎婊″垎
120
鍒嗭紝鑰冭瘯鏃堕棿
100
鍒嗛挓锛?/p>
2
锛庣瓟棰樺墠锛屽湪绛旈绾镐笂鍐欏鍚嶅拰鍑嗚�冭瘉鍙凤紟
3
锛庡繀椤诲湪绛旈绾哥殑瀵瑰簲绛旈浣嶇疆涓婄瓟棰橈紝鍐欏湪鍏朵粬鍦版柟鏃犳晥锛庣瓟棰樻柟寮忚瑙佺瓟棰樼焊涓婄殑璇?/p>
鏄庯紟
4
锛庤�冭瘯缁撴潫鍚庯紝璇曢鍗峰拰绛旈绾镐竴骞朵笂浜わ紟
涓�銆佷粩缁嗛�変竴閫夛紙鏈鏈?/p>
10
涓皬棰橈紝姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒嗭級
1
锛?/p>
锛?/p>
3
鍒嗭級瀵逛簬鍙嶆瘮渚嬪嚱鏁?/p>
y=
锛屼笅鍒楄娉曟纭殑鏄紙
锛?/p>
A
锛庡浘璞＄粡杩囩偣锛?/p>
1
锛岋梗
1
锛?/p>
B
锛庡浘璞′綅浜庣浜屻�佸洓璞￠檺
C
锛庡浘璞℃槸涓績瀵圭О鍥惧舰
D
锛庡綋
x
锛?/p>
0
鏃讹紝
y
闅?/p>
x
鐨勫澶ц�屽澶?/p>
2
锛?/p>
锛?/p>
3
鍒嗭級濡傚浘锛屽湪
鈻?/p>
ABCD
涓紝
E
鍦?/p>
AB
涓婏紝
CE
銆?/p>
BD
浜や簬
F
锛岃嫢
AE
锛?/p>
BE=4
锛?/p>
3
锛屼笖
BF=2
锛屽垯
DF
鐨勯暱涓猴紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?
3
锛?/p>
锛?/p>
3
鍒嗭級鍥涜竟褰?/p>
ABCD
涓紝瀵硅绾?/p>
AC
銆?/p>
BD
鐩镐氦浜庣偣
O
锛岀粰鍑轰笅鍒楀洓涓潯浠讹細
鈶?/p>
AD
鈭?/p>
BC
锛涒憽
AD=BC
锛涒憿
OA=OC
锛涒懀
OB=OD
浠庝腑浠婚�変袱涓潯浠讹紝鑳戒娇鍥涜竟褰?/p>
ABCD
涓哄钩琛屽洓杈瑰舰鐨勯�夋硶鏈夛紙
锛?/p>
A
锛?/p>
3
绉?/p>
B
锛?/p>
4
绉?/p>
C
锛?/p>
5
绉?/p>
D
锛?/p>
6
绉?/p>
4
锛?/p>
锛?/p>
3
鍒嗭級
宸茬煡浜屾鍑芥暟
y=x
2
锕?/p>
x
+
锛?/p>
褰撹嚜鍙橀噺
x
鍙?/p>
m
鏃讹紝
瀵瑰簲鐨勫嚱鏁板�煎皬浜?/p>
0
锛?/p>
褰撹嚜鍙橀噺
x
鍙?/p>
m
锕?/p>
1
銆?/p>
m
+
1
鏃讹紝瀵瑰簲鐨勫嚱鏁板�间负
y
1
銆?/p>
y
2
锛屽垯
y
1
銆?/p>
y
2
蹇呮弧瓒筹紙
锛?/p>
A
锛?/p>
y
1
锛?/p>
0
锛?/p>
y
2
锛?/p>
0
B
锛?/p>
y
1
锛?/p>
0
锛?/p>
y
2
锛?/p>
0
C
锛?/p>
y
1
锛?/p>
0
锛?/p>
y
2
锛?/p>
0
D
锛?/p>
y
1
锛?/p>
0
锛?/p>
y
2
锛?/p>
0
5
锛?/p>
锛?/p>
3
鍒嗭級濡傚浘锛屾鏂瑰舰
ABCD
涓紝
AB=8cm
锛屽瑙掔嚎
AC
锛?/p>
BD
鐩镐氦浜庣偣
O
锛岀偣
E
锛?/p>
F
鍒嗗埆浠?/p>
B
锛?/p>
C
涓ょ偣鍚屾椂鍑哄彂锛屼互
1cm/s
鐨勯�熷害娌?/p>
BC
锛?/p>
CD
杩愬姩锛屽埌鐐?/p>
C
锛?/p>
D
鏃跺仠姝㈣繍鍔紝璁捐繍鍔ㄦ椂闂翠负
t
锛?/p>
s
锛?/p>
锛屸柍
OEF
鐨勯潰绉负
s
锛?/p>
cm
2
锛?/p>
锛屽垯
s
锛?/p>
cm
2
锛変笌
t