绮惧搧璧勬簮
娆㈣繋涓嬭浇
2012
骞村唴钂欏彜鍛煎拰娴╃壒甯備腑鑰冩暟瀛﹁瘯鍗?/p>
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
10
涓皬棰橈紝姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒嗭紟鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝
鍙湁涓�椤规槸绗﹀悎棰樼洰瑕佹眰鐨勶級
1
锛庯梗
2
鐨勫�掓暟鏄紙
锛?/p>
A
锛?/p>
2
B
锛?/p>
锕?/p>
2
C
锛?/p>
D
锛?/p>
2
锛庡鍥撅紝宸茬煡
a
鈭?/p>
b
锛屸垹
1=65
掳
锛屽垯鈭?/p>
2
鐨勫害鏁颁负锛?/p>
锛?/p>
A
锛?/p>
6
5
掳
B
锛?/p>
1
25
掳
C
锛?/p>
1
15
掳
D
锛?/p>
2
5
掳
3
锛庡湪涓�涓笉閫忔槑鐨勫彛琚嬩腑锛岃鏈?/p>
3
涓孩鐞冿紝
2
涓櫧鐞冿紝闄ら鑹蹭笉鍚屽锛屽叾浣欓兘鐩稿悓锛屽垯闅?/p>
鏈轰粠鍙ｈ涓懜鍑轰竴涓悆涓虹孩鑹茬殑姒傜巼鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
4
锛庝笅鍒楀悇鍥犲紡鍒嗚В姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
锕?/p>
x
2
+
锛堬梗
2
锛?/p>
2
=
锛?/p>
x
锕?/p>
2
锛?/p>
锛?/p>
x+2
锛?/p>
B
锛?/p>
x
2
+2x
锕?/p>
1=
锛?/p>
x
锕?/p>
1
锛?/p>
2
C
锛?/p>
4
x
2
锕?/p>
4x+1=
锛?/p>
2x
锕?/p>
1
锛?/p>
2
D
锛?/p>
x
2
锕?/p>
4x=x
锛?/p>
x+2
锛?/p>
锛?/p>
x
锕?/p>
2
锛?/p>
5
锛庡凡鐭ワ細
x
1
锛?/p>
x
2
鏄竴鍏冧簩娆℃柟绋?/p>
x
2
+2ax+b=0
鐨勪袱鏍癸紝涓?/p>
x
1
+x
2
=3
锛?/p>
x
1
x
2
=1
锛屽垯
a
銆?/p>
b
鐨勫�煎垎
鍒槸锛?/p>
锛?/p>
A
锛?/p>
a
=
锕?/p>
3
锛?/p>
b=1
B
锛?/p>
a
=3
锛?/p>
b=1
C
锛?/p>
锛?/p>
b=
锕?/p>
1
D
锛?/p>
锛?/p>
b=1
6
锛庡鍥撅紝鍦ㄤ竴闀挎柟褰㈠唴鏈夊瑙掔嚎闀垮垎鍒负
2
鍜?/p>
3
鐨勮彵褰紝杈归暱涓?/p>
1
鐨勬鍏竟褰㈠拰鍗婂緞涓?/p>
1
鐨勫渾锛屽垯涓�鐐归殢鏈鸿惤鍦ㄨ繖涓変釜鍥惧舰鍐呯殑姒傜巼杈冨ぇ鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
钀?/p>
鍦ㄨ彵褰㈠唴
B
锛?/p>
钀?/p>
鍦ㄥ渾鍐?/p>
C
锛?/p>
钀?/p>
鍦ㄦ鍏竟褰㈠唴
D
锛?/p>
涓�
鏍峰ぇ
7
锛庝笅闈㈠洓鏉＄洿绾匡紝鍏朵腑鐩寸嚎涓婃瘡涓偣鐨勫潗鏍囬兘鏄簩鍏冧竴娆℃柟绋?/p>
x
锕?/p>
2y=2
鐨勮В鏄紙
锛?/p>