鐪嬭繃
2016-1-20GMAT鏁板鏈虹粡
鍏嶈垂
0鍒?/em> 1076闃呰 3涓嬭浇 4椤?/span>
澶╅亾鐣欏
http://tiandaoedu.com/
澶╅亾鏁欒偛
甯︽偍璧板悜鎴愬姛鐣欏涔嬮亾锛?/p>
GMAT
鏁板鏈虹粡鏄�佸笀銆?/p>
瀛︾敓鍙ｄ腑鍏鐨勫鑰?/p>
GMAT
鏁板鐨勬湁鏁堣祫鏂欙紝
鎵�浠ュぇ瀹堕兘浼氬洓澶勬悳闆?/p>
GMAT
鏁板鏈虹粡鐨勫唴瀹广�備负浜嗘弧瓒冲ぇ瀹剁殑姹傜煡娆蹭笌澶囪�冮渶瑕侊紝浠婂ぉ澶╅亾鏁欒偛灏忕紪涓哄ぇ瀹跺甫鏉ヤ簡涓�鐐规儕鍠?/p>
鈥斺�?/p>
2016-1-20
鏈�鏂?/p>
GMAT
鏁板鏈虹粡鏁寸悊锛屾�庝箞鏍凤紝杩樻弧鎰忓悧
?
澶╅亾鏁欒偛涓哄ぇ瀹跺甫鏉ョ殑
2016-1-20
鏈�鏂?/p>
GMAT
鏁板鏈虹粡鏁寸悊濡備笅锛?/p>
Q1
涓�绉嶆贩鍚堝潥鏋滅綈瀛愶紝
閲岄潰鏈?/p>
2
绉嶅潥鏋滐紝
鑵版灉鏄?/p>
8
鍒�
/pound,
鍙﹀绉?/p>
P
鎵撳ご鐨勪粈涔堟灉鏄?/p>
4
鍒�
/
纾咃紝
鐜?/p>
鍦ㄥ姞浜?/p>
8
纾?/p>
P
鎵撳ご鐨勬灉锛岃鍔犲灏戠鑵版灉锛岀劧鍚庤繖绠椾笅鏉ヨ繖涓贩鍚堝潥鏋滅綈瀛愬彲浠ュ崠
7
鍒�
?
鐙椾富绛旀锛氳鍔犱簡
X
纾呰叞鏋?/p>
(8x+4*8)/(x+8)=7
寰?/p>
X=24
绛旀瑙ｆ瀽
(
纭畾
)
鍋囪鍔犱簡
X
纾呰叞鏋溿�傜敱棰樼洰寰楋紝鍔犲叆鑵版灉鍚庢�讳环
=4*8+8X
锛屾柊閲嶉噺
=X+8
锛屾柊鍗曚环
=7/pound.
鍒楀嚭绛?/p>
寮忥細
(8X+4*8)/(X+8)=7
锛屾眰寰?/p>
X=24
Q2
5X4*X^-6+6X^5*X^-7+7X^4*X^-6 X=-2
姹傜粨鏋溿�?/p>
绛旀瑙ｆ瀽
(
纭畾
)
5X4*X^-6
涓殑
5X4
灏卞綋鍋?/p>
5X*4
澶勭悊銆?/p>
绛夊紡
=5X 4 X-6+6X5 X-7+7X4 X-6
鍙湁涓�涓湭鐭ユ暟锛屼笖棰樼洰缁欏嚭鏈煡鏁版暟鍊笺�傚彲浠ョ洿鎺ヤ唬鍏ャ�?/p>
涔熷彲浠ュ寲绠�鍚庝唬鍏ワ紝鍖栫畝鏃讹紝涓ゆ暟鐩镐箻鎸囨暟鐩稿姞銆?/p>
绛夊紡
=20X^(-5)+6X^(-2)+7X^(-2)
=20X^(-5)+13X^(-2)
=-9/32+13/4
=21/8
Q3
鍥涗釜鏁帮紝涓夊垎涔嬩竴
of
鏈�澶х殑涓や釜鏁版瘮鏈�灏忕殑涓や釜鏁扮殑浜斿�嶈澶氾紝闂渶灏忔暟鐨勬槸涓嶆槸
<4
(
璨屼技鏄?/p>
杩欎釜鏁?/p>
)
銆?/p>
(1)
鏈�澶х殑鏁板ぇ浜?/p>
55