1
浜屽厓涓�娆℃柟绋嬬粍
2
涓�锛庨�夋嫨棰橈紙鍏?/p>
9
灏忛锛?/p>
1
锛庢柟绋嬬粍
鐨勮В鏄?
锛屽垯
a
锛?/p>
b
涓猴紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
2
锛庡凡鐭ュ叧浜?/p>
x
鐨勪簩鍏冧竴娆℃柟绋嬬粍
锛岃嫢
x
+y
锛?/p>
3
锛屽垯
m
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?/p>
m
锛?/p>
1 B
锛?/p>
m
锛?/p>
2 C
锛?/p>
m
锛?/p>
3 D
锛?/p>
m
锛?/p>
5
3
锛庡凡鐭?/p>
鏄柟绋嬬粍
鐨勮В锛屽垯
a+b
鐨勫�间负锛?/p>
锛?/p>
A
锛庯梗
1
B
锛?/p>
0
C
锛?/p>
1
D
锛?/p>
2
4
锛庡凡鐭?/p>
鏄簩鍏冧竴娆℃柟绋嬬粍
鐨勮В锛屽垯
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
3
B
锛?/p>
8
C
锛?/p>
2
D
锛?/p>
2
5
锛庤嫢鏂圭▼缁?/p>
鐨勮В鏄?/p>
锛屽垯
a+b
鐨勫�兼槸锛?/p>
锛?/p>
A
锛庯梗
2
B
锛?/p>
3
C
锛?/p>
4
D
锛?/p>
12
6
锛庝簩鍏冧竴娆?/p>
鏂圭▼缁?/p>
鐨勮В鏄紙
锛?/p>
A
锛?
B
锛?
C
锛?
D
锛?
7
锛庢煇鐝负浜嗗鍔卞湪涓婂骞存湡鏈�冭瘯鎴愮哗杩涙鐨勫悓瀛︼紝鑺变簡
400
鍏冭喘涔扮敳銆佷箼涓ょ濂栧搧鍏?/p>
30
浠讹紝鍏朵腑鐢茬濂栧搧姣忎欢
16
鍏冿紝涔欑濂栧搧姣忎欢
12
鍏冿紟姹傜敳銆佷箼涓ょ濂栧搧鍚勪拱澶氬皯浠讹紵
鑻ヨ璐拱鐢茬濂栧搧
x
浠讹紝涔欑濂栧搧
y
浠讹紝鍒欎笅鍒楁墍鍒楁柟绋嬬粍姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?
D
锛?
8
锛庢垚宸撮珮閫熷叕璺叏闀?/p>
308km
锛屼竴杈嗚揣杞﹀拰涓�杈嗚娇杞﹀悓鏃朵粠宸翠腑銆佹垚閮戒袱鍦扮浉鍚戝紑鍑猴紝缁?/p>
1
灏忔椂
45
鍒嗛挓鍒拌揪鍚屼竴鍦?/p>
鐐癸紝鐩搁亣鏃讹紝杞胯溅姣旇揣杞﹀琛?/p>
30km
锛庤杞胯溅銆佽揣杞︾殑閫熷害鍒嗗埆鏄?/p>
x km/h
锛?/p>
y km/h
锛屽垯涓嬪垪鏂圭▼缁勬纭殑鏄紙
锛?/p>
A
锛?/p>
B
锛?
C
锛?/p>
D
锛?/p>
9
锛庢煇鏍″噯澶囩粍缁囦竷骞寸骇
539
鍚嶅悓瀛﹀埌涓夐棬鏍哥數绔欐垨涓夐棬鍐滃崥鍥幓鎰熷彈绉戞妧鐨勯瓍鍔涳紝璋冩煡浜嗕竷骞寸骇
539
鍚嶅悓瀛﹀悗鍙?/p>
鐜帮細鍠滄鍘讳笁闂ㄦ牳鐢电珯鐨勪汉鏁版槸鍠滄鍘讳笁闂ㄥ啘鍗氬洯浜烘暟鐨?/p>
2
鍊嶅皯
1
浜猴紟鑻ヨ鍠滄鍒颁笁闂ㄦ牳鐢电珯鐨勪汉鏁颁负
x
浜猴紝鍠滄
鍒颁笁闂ㄥ啘鍗氬洯鐨勪汉鏁颁负
y
浜猴紝鍒欎互涓嬫墍鍒楁柟绋嬬粍姝ｇ‘鐨勬槸锛?/p>
锛?/p>