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A.--B.7-C.2D.-2

22

3.^AOBéWWèit?OK#,M^^AOB?ü?^()

A.60°B.75°C.120°D.150°

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5.>-?'JH?R,±üR.?RWH^?^S|J^45O,45°,90°,

?J7-j3O°,60°,90°,&?15°,?55°,?75O,@105°4b()

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6.T?iJi?MlEWj^()

A.34.5°=34°5'B.90°-23°45'=66°15'

C.12°34'x2=25°18'D.24°24'=24.04°

7.()

45

A.(-1-2)2B.3x(--)+-C.-524-(-5)3D.(-1)2023

54

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0.230.05-0.31-0.10-0.15-0.030.28

A.M—B.MHc.MàD.MB

9.?tfratZAOD=ZBOC,^ZA(9B=100°,ZCOD=40°,?ljZBODffim()

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A.100°B.40°C.30°D.25°

io.e^±^75?W?iolo#,Mit20W,()

A.75°B.120°C.135°D.150°

A.5B.-5C.1D.-1

12.TJlJlWf1:?ZAOC=±ZAOB-,?ZAOC=ZBOC;?

ZAOB=2ZBOC;?ZAOC+ZBOC=ZAOB,fa&Füt?WCMZAOBéI<l?￥4HilW()

A.14B.24C.34D.44

13.JüiJi+W^a+^^^nTf^()

A.15°B.36°C.60°D.75°

14.5W,Wn,^?tn4l’s]i6:(X)H4,I^-IOIJI&M^WI'O11:00,B

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A.12:00B.15:00C.17:00D.19:00

15.b,=piij?,h,()

a+1h-2c+3

A.c<a<bB.c<b<aC.a<b<cD.b<c<a

16.^5'-WlE^?éIü“F”isM:F(n)=5n+3.F(n)~(M

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SJTRH:^?=3,KlJM2023^F’’iOW^M()

A.3B.9C.18D.48

17.MPOJASWI,^AP^3PB,

ft&éKj-imOcm,üW-7-cm.

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19.WSüU^l,M?E-j-^3=.-1,

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22.(i)ZMAB,gra?CR^M,^^^AB^?^C,?

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(3)?(1)^?BC=8cm,

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24.B&llZA(9/?=20°,OCw?ZAOC==60°,OM&ZAOB1W

ON^ZAOC^^m^W),ZMONW^/h.

25.fêZBOP=68°,W~t￡

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ZBOAf=M°(0<M<90).

(1)A71=30Ut,XZPONi?tk'h

(2)AOPW#/.MONHt,?éW;

(3)A?*68Ut,AAONZPOM'M'MUAAAON2gZPOMK“

XMW?WR,i$A22°,W&,iitW^

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A|??i??ut,^AON-Z.POM=22°-,

A??^?___Ht,ZAON+APOM=22°.

26.885ê:$112+2+2,(-3)H-(-3)H-(-3)H-(-3).

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