2001-2012
骞存禉姹熸俯宸炰腑鑰冩暟瀛﹁瘯棰樺垎绫昏В鏋愭眹缂栵紙
12
涓撻锛?/p>
涓撻
10
锛氬洓杈瑰舰
涓�銆侀�夋嫨棰?/p>
1.
锛?/p>
2002
骞存禉姹熸俯宸?/p>
4
鍒嗭級
濡傚浘锛屽湪姊舰
ABCD
涓紝AD鈭C锛?/p>
AB
锛?/p>
DC
锛屸垹C锛?0掳锛?/p>
BD
骞冲垎鈭燗BC锛屽鏋?/p>
杩欎釜姊舰鐨勫懆闀夸负
30
锛屽垯
AB
鐨勯暱鏄�?/p>
銆?/p>
A
锛?/p>
4
B
锛?/p>
5 C
锛?/p>
6
D
锛?/p>
7
銆愮瓟妗堛�?/p>
C
銆?/p>
銆愯�冪偣銆戠瓑鑵版褰㈢殑鎬ц川锛岃骞冲垎绾跨殑瀹氫箟锛屼笁瑙掑舰鍐呰鍜屽畾鐞嗭紝鍚?/p>
30
搴﹁鐩磋涓夎褰㈢殑鎬ц川锛屽钩琛岀殑
鎬ц川锛岀瓑鑵颁笁瑙掑舰鐨勫垽瀹氥�?/p>
銆愬垎鏋愩�戔埖鍦ㄦ褰?/p>
ABCD
涓紝
AB
锛?/p>
DC
锛屸垹C锛?0掳锛屸埓鈭燗BC锛?0掳銆?/p>
鈭礏D
骞冲垎鈭燗BC锛屸埓鈭燙BD锛濃垹ABD锛?0掳銆傗埓鈭燘DC锛?0掳銆?/p>
璁?/p>
AB
锛?/p>
DC
锛?/p>
x
锛屽垯
BC=2x
銆?/p>
鈭礎D鈭C锛屸埓鈭燙BD锛濃垹ADB銆傗埓鈭燗BD锛濃垹ADB銆傗埓AD=AB= x銆?/p>
鈭垫褰㈢殑鍛ㄩ暱涓?/p>
30
锛屸埓AD锛?/p>
BC
锛?/p>
AB
锛?/p>
DC=30
锛屽嵆
5x=30
锛?/p>
x=6
銆傛晠閫?/p>
C
銆?/p>
2.
锛?/p>
2003
骞存禉姹熸俯宸?/p>
4
鍒嗭級
姊舰鐨勪笂搴曢暱涓?/p>
3
锛屼笅搴曢暱涓?/p>
5
锛岄偅涔堟褰㈢殑涓綅绾块暱绛変簬銆?/p>
銆?/p>
A
锛?/p>
2 B
锛?/p>
4 C
锛?/p>
6 D
锛?/p>
8
銆愮瓟妗堛�?/p>
B
銆?/p>
銆愯�冪偣銆戞褰㈢殑涓綅绾垮畾鐞嗐�?/p>
銆愬垎鏋愩�戞牴鎹褰㈢殑涓綅绾跨瓑浜庝笂涓嬪簳鍜岀殑涓�鍗婄殑鎬ц川锛屽緱鎵�姹傛褰㈢殑涓綅绾块暱绛変簬
3+5
=4
2
銆傛晠閫?/p>
B
銆?/p>
3.
锛?/p>
2006
骞存禉姹熸俯宸?/p>
4
鍒嗭級
濡傚浘锛屽湪姊舰
ABCD
涓?AD鈭C,CA
骞冲垎鈭燘CD,CD=5锛屽垯
AD
鐨勯暱鏄�?/p>
銆?/p>
A.6 B.5 C. 4 D. 3
銆愮瓟妗堛�?/p>
B
銆?/p>