1、20162017?，?1720?2122?23?24?(?10?，?3?，?30?)1.?16?()A2 B?4 C4 D8 2.?21+x?，?x?()Ax?2 Bx?2 Cx?0 Dx?2 3.?x8?()Ax?x7 Bx16?x2 Cx16?x2 D(x4)4 4.?A?，?；?B?，?，?()A?A?B?B?A?，?B?C?A?，?B?D?A?B?5.?(a+3)(a?3)?()Aa2?6a+9 Ba2+9 Ca2?9 Da2?6a?9 6.?A(?1，4)?x?()A(1，4)B(?1，?4)C(1，?4)D(4，?1)7.?6?，?，?，?()B 8.?15?/m 1.50 1.6
2、0 1.65 1.70 1.75 1.80?2 3 2 3 4 1?()A1.70?1.75 B1.70?1.80 C1.65?1.75 D1.65?1.80 9.?5?5?，?1，?，?，?m，?n，?m?n?()A0 B0.5 C?0.5 D0.75 10.?x?y?(x?h)2+3，?1?x?3?，?2h，?h?()A23 B23?2 C23?6 D2?23?6?(?6?，?3?，?18?)11.?8+(?5)?12.?111xxx?13.?，?1?2?，?.?，?，?59 14.?，?ABCD?，E?AB?，?CBE?CE?CFE，?AF.?EAF?70?，?BCF?15.?60?38
3、，?3 16.?ABCD，?ABC?45?，?C?D?90?，?30?(?P?30?)?PMN(?)?，?MN?BC，?M?N?AD?BC?，?NM?Q，?QM?PB?BC?10，CD?3，?M?A?D?，?Q?7 2?(?8?，?72?)17.(?8?)?6x+1?3(x+1)+4?6x+1=3x+3+4 6x3x=3+41 3x=6 x=2 18.(?8?)?，A?D?B?E?，AC?DF，BC?EF，?C?F，?AD?BE?ACB?DFE?AC=DFC=FBC=EF?ACBDFE(SAS)?AB=DE?ABBD=DEBD?AD=BE 19.(?8?)?5000?，?，?A?B?C?D?，
4、?，?(1)?，?_?(2)?(3)?B?(1)200(2)?(?C?20016%=32?)(3)?B?785000200100%=1950(?)20.(?8?)?，2?3?15.5 t；5?6?35 t(1)?(2)?10?，?30 t，?(1)?x?y?.?2315.55635xyxy+=+=?4,2.5xy=?4t?2.5t (2)?a?，?(10)a?，?4(10)2.530aa+，?10103a?a?，?4?21.(?8?)?，?ABCD?AD?A?B?C?O?(1)?AB?AC(2)?2，?DC?O?E，?BE，sin?E?1312，?tan?D?21HFEDOACB(1)?OA?
5、BC?H.?AD?eO?，?OA?AD，?ABCD?BCAD?OA?BC?ABAC=(2)?AO?eO?F，?OC?BF?CF.?AF?BC?BFCF=?BF=CF?1=2?2=?BCF=?E?sin?1=sin?E=1213?RtOHC?，?CH=12a，OC=13a，?OH=5a?OF=13a，AH=8a?RtABH?，tan?ABH=82123AHaBHa=?ABCD?，?D=?ABH?tan?D?23 22.(?10?)?xy23=?xky=?A?2(1)?k?(2)?，?P(m，3)(m?0)?x?xky=(x?0)?M，?OA?N?OM，?OA?OM?，?PN?PM?PM?PN?，
6、?(1)?A(2，b)?A?xy23=，?b=3?A?(2，3)?A?xky=，?k=6（2）?21?MN?x?，P?(m，3)?M?(m，m6)?AH?x?，?MN?x?G?AH=3，OH=2，MG=m6，OG=m?13222=+=OHAHOA 2222236mmOGMGOM+=+=?OM=OA?223613mm+=0361324=+mm?32=或m?m0?M?A?m=3?PM=1，PN=23?PNPM=21?PNPM?N?(mm23,)?323=mPN，mPM63=?mmmmmmmPMPN2)2(3212123662322=+=+=?00)2(32mm，?02)2(32mm?0 PMPN?
7、PNPM 23.(?10?)?ABCDEF?，N?M?，BM?AN?P(1)?1，?N?BC?，?M?DC?，BN?CM，?BP?BM?BN?BC(2)?2，?N?DC?，M?ED?，AMBN，?DEME?(3)?3，?N?M?BC?EF?，?ABCDEF?2，?AP?PMFEDCABNKHGMNFEDCBAHKJGPMNFEDCBA?(1)ABNBCMPNBBMC=BPN?BCMBP BMBN BC=(2)?MGAB，NHAB，CKAB，?2ABa=，?12BHa=，33 322NHCKa=，32 3MGABa=AMG?BNH23AGa=13MEDE=(3)?MGAB，NHAB，AJAB，B
8、KAB?4 75AK=，3APAJMGPKBKNH=，?33 745APAK=24.(?12?)?，?221xy=?A(x1，y1)?C(x2，y2)，?x1?x2?x2?2x?8?，?x1?x2，?A?l?(1)?A?C?(2)?l?(3)?2，?B?AC?，?B?y?BE?l?E，?D，?E?DC?EF?AC?F，?BF?(1)?x22x8=0?x1=2,x2=4?x1 x2?A 2,2(),B 4,8()(2)1?，?l?x=2 2?A?l?y=kx+b?A?，b=2k+2?y=kx+2k+2?，12x2=kx+2k+2?x22kx 4k 4=0?，?=0?2k()2 4 4k 4()=0?k1=k2=2?l:y=2x2?，?l?x=2?y=2x2(3)?AC?y=x+4?B a,a+4()，?D a,12a2，E a,2a2()?EF/CD?BDBE=BCBF?BF=BCBEBD=a 4()2+a+48()2a+4()2a2()a+412x2=6 2
