鍒濅腑浜屽勾绾?/p>
绗?/p>
1
璇?/p>
涓�銆侀�夋嫨棰橈紙
浠ヤ笅姣忛鐨勫洓涓�夐」涓紝浠呮湁涓�涓槸姝ｇ‘鐨勶紝璇峰皢琛ㄧず姝ｇ‘绛旀鐨勮嫳鏂囧瓧姣嶅啓鍦ㄦ瘡棰樺悗
闈㈢殑鍦嗘嫭鍙峰唴锛?/p>
锛?/p>
1
锛庡湪涓�娆¤鍔涙鏌ヤ腑锛屽垵浜岋紙
1
锛夌彮鐨?/p>
50
浜轰腑鍙湁
8
浜虹殑瑙嗗姏杈炬爣锛岀敤鎵囧舰鍥捐〃绀鸿鍔涙鏌ョ粨鏋滐紝鍒?/p>
琛ㄧず瑙嗗姏杈炬爣鐨勬墖褰㈢殑鍦嗗績瑙掓槸锛?/p>
锛?/p>
A
锛?/p>
64.8
飩?/p>
B
锛?/p>
57.6
飩?/p>
C
锛?/p>
48
飩?/p>
D
锛?/p>
16
飩?/p>
2
锛庡鍥?/p>
1
锛岀偣
B
鍦ㄥ弽姣斾緥鍑芥暟
k
y
x
飥?
鐨勫浘鍍忎笂锛屼粠鐐?/p>
B
鍒嗗埆浣?/p>
x
杞淬�?/p>
y
杞寸殑鍨傜嚎锛屽瀭瓒冲垎鍒槸
A
锛?/p>
C
锛庤嫢
ABC
鈻?/p>
鐨勯潰绉槸
4
锛屽垯鍙嶆瘮渚嬪嚱
鏁扮殑瑙ｆ瀽寮忔槸锛?/p>
锛?/p>
A
锛?/p>
8
y
x
飥?/p>
飥?/p>
B
锛?/p>
8
y
x
飥?/p>
C
锛?/p>
4
y
x
飥?/p>
飥?
D
锛?/p>
4
y
x
飥?
3
锛庡鏋?/p>
2
2
a
ab
b
飥?/p>
飥?/p>
飥?/p>
锛屼笖
b
鏄湁鐞嗘暟锛岄偅涔堬紙
锛?/p>
A
锛?/p>
a
鏄暣鏁?/p>
B
锛?/p>
a
鏄湁鐞嗘暟
C
锛?/p>
a
鏄棤鐞嗘暟
D
锛?/p>
a
鍙兘鏄湁鐞嗘暟锛屼篃鍙兘鏄棤鐞嗘暟
4
锛庡鍗扮焊鐨勫瀷鍙锋湁
0
1
2
3
4
A
A
A
A
A
锛?/p>
锛?/p>
锛?/p>
锛?/p>
绛夛紝瀹冧滑鏈夊涓嬬殑鍏崇郴锛氬皢涓婁竴涓瀷鍙凤紙
渚嬪
3
A
锛夌殑澶嶅嵃
绾稿湪闀跨殑鏂瑰悜瀵规姌鍚庡氨寰楀埌涓ゅ紶涓嬩竴涓瀷鍙凤紙
寰楀埌
4
A
锛夌殑澶嶅嵃绾革紝涓斿悇绉嶅瀷鍙风殑澶嶅嵃绾哥殑闀夸笌瀹界殑姣?/p>
鐩哥瓑锛岄偅涔堣繖浜涘瀷鍙风殑澶嶅嵃绾哥殑闀夸笌瀹界殑姣旂害涓猴紙
锛?/p>
A
锛?/p>
1.414:1
B
锛?/p>
2:1
C
锛?/p>
1:
0.618
D
锛?/p>
1.732:1
5
锛?/p>
The number of integer solutions for the system of inequalities
2
3
2
1
x
a
x
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
锛?
鈮?/p>
0
about
x
is just 6
锛?/p>
then the
range of value for real number
a
is
锛?/p>
锛?/p>
A
锛?/p>
2.5
2
a
飥?/p>
飥?/p>
飥?/p>
鈮?/p>
B
锛?/p>
2.5
2
a
飥?/p>
飥?/p>
鈮?/p>
鈮?/p>
C
锛?/p>
5
4
a
飥?/p>
飥?/p>
飥?/p>
鈮?/p>
D
锛?/p>
5
4
a
飥?/p>
飥?/p>
鈮?/p>
鈮?/p>
锛?/p>
鑻辨眽璇嶅吀锛?/p>
integer solution
鏁存暟瑙ｏ紝
system of inequalities
涓嶇瓑寮忕粍锛?/p>
the range of value
鍙栧�艰寖鍥?/p>
锛?/p>
6
锛庤嫢鍒嗗紡
2
3
2
x
x
飥?/p>
飥?/p>
鐨勫�兼槸璐熸暟锛屽垯
x
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?
2
2
3
x
飥?/p>
飥?/p>
B
锛?/p>
2
3
x
飥?
鎴?/p>
2
x
飥?/p>
飥?/p>
C
锛?/p>
2
2
x
飥?/p>
飥?/p>
飥?/p>
涓?/p>
2
3
x
飩?
D
锛?/p>
2
2
3
x
飥?/p>
飥?/p>
鎴?/p>
2
x
飥?/p>
飥?/p>
7
锛庡湪
100
鍒?/p>
1000
鐨勬暣鏁颁腑锛?/p>
鍚?/p>
100
鍜?/p>
1000
锛?/p>
锛屾棦涓嶆槸瀹屽叏骞虫柟鏁帮紝涔熶笉鏄畬鍏ㄧ珛鏂规暟鐨勬暟鏈?/p>
锛?/p>
锛?/p>
A
锛?/p>
890
涓?/p>
B
锛?/p>
884
涓?/p>
C
锛?/p>
874
涓?/p>
D
锛?/p>
864
涓?/p>
鍥?/p>
1
y
x
O
C
B
A