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2 E,)fr?+@tF,trtlB!)R.
1080
3 (l )50 x6 + l5 x6 +25 =415(cm)
13s00
4 $,ffiflt*f+Ltr s.E,).Wffi*Mffi 415 cm"
f,|J,H, AAfsfIJ,H,
5 l.s (2)15 x2 =30(cm)
6 270 y=75%x K/c fr/cm d/an
-.{ B 2c 3 C 4 A 5 50 50 30
C
=. 1 ( I ) it+tr8ffi+€ffi+tr*tilW#tffi,4,)'7n? 50 x50 x2 +50 x30 x4 +700 = 11700( cm2)r
(2 ) i*+frBfr+ € ffi + g ffi fiLft*ffi.*')' nt I|TC0 cm2 = l17 dm2
2 3000 x(t -30%) x(t +45% ) =304s(rt) E,PffiIt7 dm'zffiffiffi"
"*
59ry
dr$ffi#::'tsfrTfft.RJ
ffiT
EE89I6[R TilET EE696ilF (=
)
{ (1)c (2)^
1 3.14 x (8 +2)'? =50.24(cm2)
2 (1)O 3t4 zst2 2826 (2)tz
50.24 x 10 =502.4( cm3 )
3 /iBrzx3.l4x3 x10 +3. 14x32 x2=ZU.VZ(cr*) mL
502.4
frV,
frWr3.l4 x2 x6 +3.14 x (2 +2)2 x2 =43.%(cm') 2 O@@ s6s.2
4 12 dm=1.2 m 3 3. 14 x 32 x 10 =282.6("-' ) = 282.6 mL
3.14xl.2x19 x4 x0.5 =143.18a(kg)
282.6x5 =1413(mL) 1413 <1500
iltr
A,,fiUBLhti tJffiW 143. 184 kg iHi4
" E, lbEX.WsEzf trZi 6Eit 9l E >F
5 3.14x8 x4 +3.14 x4 x4 +3.14 x (8 +2)2 x2 = "
4 Z.t+x(8+2)2 x(6 -5)-50(cm')
251.2(cm2)
j*fxgtr
8,Bffi#'ffiffift2st.2 cm'o 6 ' ffJiffilffiX?llft 50 cm3 o
6 ffi+lfrEHtffifRZfrE 15.7 dm2" 5 3. 14 x (20 +2)2 xZO xt=5024( cm3 )
5024 cm3 =5024 mL
tEfR' 15. 7 + 125. 6 = 141.3 ( dm'? )
200 x25 =5000( mL)
6, HXml[SM*NffJ#-HfrRE 141. 3 dm2
o
jltrt : Je' El *ifi'd' ffi t'l' w b, *fr 4x w hs -r ffi 5024 > 5000
E,&ffilhw2s +u+w"
t,rn6 #r fr#,, Ellb ls. 7 dm2 ftfi +R"tu#.2
to;*a** h fxfr fi-l{&,h"e @ la, Lfrtr 6 420 +14 x (25 - 18 + 14) =630( fi)
#W )i, fi +fi fr #t fr #,, * + ^ - + + l< i fr frlr fr 6, EtffiTBEH 630 fiiH.
F.ft80 ,2 =40(dm2; = lxfr fi-tr{ x 6 , fl'l **. r E>rt *,tfl 420 f#v\ t4 + * ih #J A E-ft I cm Fi
ih#rfrA,***,efi
EYT4+*0n!fr{,'.." AE-*-2s - 18 +r4 =21(cm)
ffiffi EEoe{tfR(-) tt )h kl fr a, :xlifti*+tL+ iiu,xfrlt ih 6t ft E .
1 (l)-HWfiRfiE+ (2)1Hffifl H sh n,'h 2.EtE
2 EW 13.14 x82 x 10 = 2009. 6 ( cm3 )
GIEI
Ets09iliR
EW,3.14 x (6 +2)2 x9 =254.34(dm3)
x\/x \/ 1tr
3 (1)B (2)B (3)c 1 (1)x ffi Q)re
4 3. 14 x (2. 5 +2)2 x l0:49( cm3 ) 218H.84
6'-6f8ffi /'Jft49
ffJt*fiR cm3 o
5 2.90 +2 =1.45(cm) 1.45 -0.50 =0.95(cm)
c
3.14 x l. 452 x2. n - 3. 14 x0. 952 x 2. ?n = 3 ( 1) (2)B
8.29( cm3 ) 4 ,ftffifl,:3. 14 x22 =12.56(cm2)
6, j*ttffitBffJt+t11.4.ft8.2e cm3 ,frEEK Q x3.14 x2 =12.56(cm)
"
6 (48 +2) x (6.28 +2) =7s.36(nftrX) s, :If Elffi kt,RE6RE 12. 56 cm2,,|RmE KE
it
6, tr*trftB!,f4frRE 7 5. 36 E* 12.56 cm"
"
lltfi : *.@ fixW he -t Y< i 4+- h fr fr #r fr 4v., * + 12 x9 xrI 12 = 108(+rtr)K)
-+frfifrtv.ft48 +2 =){(+iE+-). lk#+11
r*E4+tr,^ q-at tu, EI *i #r 4+rx = I339. 12
1^ E,*XLFffi'ffiEffiTiHfr#'
{+fl,+ x3.14x2.42 x5 =30.144(cm3)
I
Q); x3.14 x(6 +2)2 x9 =84.78(cm3)
E, FfiM fr,ffJ\Mfr+Jffiffift 30. 144 cm3 o
ffi)
33s. t2 +84.78 =a( E,frEffilffi a tFT"
+78
3 ( 6#AEEFEI) EttffltrfEHtlRE *'E $ +2 =
3: s
-. 1lso soo zso 41G)+ 3(cm)
ffiffi.E fr&-,r|5llH fi E&ffi trffi B!,fAfR, BfElil
(2)tr3.04 572 2 96 6s 785 "
^1x6+irr.
7 0.32 8 169.s6 3.14 x32 14x32 x6=226.08(cm3)
-,{ B 28 3 C 4B 5
C 8,Vffifl.il1{+frRE 226.08 cm3
"
=. { 6 x6x2 +10 x6 x3 +3.t4x(6+2)2 + ffiffiE E*=, tRffi tr tt frl,f+fRE +]fr . + H fr! tr
3.14 x6 x10 +2 =374.46(cm2) WWffi.ffJ 3 {#, E-JfiTH4BO{+fAE@ffiWfrRffJ 4
ffi,wlil-nlilfrifH.
23.t4 x (2 +2)2 x4 -+><3.14 x (2 +2)2 x
!xZ.t+x32 x6 x (1+ 3) =226.08(cm3)
3 =9.42(cm3)
E. (1)UKiM ABCD ffJ AB )LttfrffJH*,hffiffi. E,i4ffiNffi{+fAE 226. 08 cm3 .
*-E,{+FJ-tEl&" D)Hffi=ffifrr, ABC tul AB 4 [W1ftEfrWffiHffJ&Kt r cm,fl[flnW#,H.trJ
)L Ffi &ffJ H*,tr ffiffiF. - H, 4+4tl - + W ffi ff.trh* > 2.iEtvfi)frE;Lfi)
ls(ftzJrfilSftft4)
60 +4 =
4:2=30:15 4:30 =2:15 tEtrEI Eturu
L5:30 =2:4 l5:2=30:4 1 (1)1oo fttEtsiefrn@+t*ffrffi8
-Wlffiwn,J
(2)ffiEHi&ffi€,+N*f!EE
ftiEBru&B!
ET
1 ( 1) b1fitJffr4'+'y*ffi. +rtHt1ttr Q)ts t2 ffifA E
(1)c
(3)+ 2 (2)A
e)
6
,=fr
2 (fiffiW)x=2 x=3 x=3.75
B!,H.FFffirEfH'€ffi8!tr"
3
(r)(r660nm,i6pg-) (2)2:e *',
=
*,L-L,L
*4 &+(-E)""
315 ffi-2x =f; xe
f - f - i' 4 tS -"= I T * I 2x =8 (3)FtiE bY,6tlXA" trt" ttHE'E = biffiF,,E-.
4
4t x=4 \/ -lEl.] ?\ t.
o
t5'-
t2 (D ffirtb,ffi,o " wh"='frM$ftJ ffi#' - = tr')R
*=156
(--.E)".
62
-.*#s* &
ffin
6'i*AMiEE!KEE480 m"
1r;ffi=o.z ffi=0.t ffi=o.t ffi=0.,
(2)p 5 t ffi,8-W,Fr)*4,trF1;f.,rJ pt =480o
#=0., ( 3 ) B +effi kiKES*+U ffi Et KETfr F-w,fit)X
4l*.ffi.8ffi8fr E!E#IEEfrfr bLFtJ*.R. E R" Wha+?.ffiBtKtr + *HffiHtKH = ll6rE
ttEE-+E "ft.,18#.ffi^=E.
H ,ES 80ffi#|EEtSzJ'EEEtH! BlKtr ( -E ), EpE{[ B!ffi
fr.trl&" (1)60 x 5 = 300,30 x 10 - 300,20 x 15 = 3(X),
(2) ( **76W- ) *,hq)x+ w*F- * (0, 15 x 20 = 300......ftfAfH+, &,dtEK5ffi B!*fX
^
o) frE,fr+tftWftlffi*{** - ft . , tfr til Kt M fr+J Kffi fr , ffi, E- fr Ftl * fr "
(3)2s0 Tfi,4'#.lnRA*FEEEffi t&|, frAW *, t7 s (2) frw*EI rx,KfrMWEfl t 300 Yrtrr(
+fr. "
( 1) ( 6+6ffi-)5'500 = 10: 1000 300 + 120 =2.s(E)K) 3N +2 = 150(trX)
E-,\KtMffiKE 120 trXHt ,ffift2. s E/(;
*Knyfifr,E2 trXBf,KE 150 EX.
iit/irt
zrool 3.bLfrJOgEH
lt t sJ o toA o aJ o l I t l . - . -- .i : -" . "- l -- , i ' ;- /t -- - ,f : - - -- - -r -i - -- r -- - - - r, . -- i -- - - l-- - j r - - - - - - : : ,
I i./i i i : :
5N l' l ":' -:--'1- --:--1---r:
o 5 lo ts2o2s 3035 hitr/a- 1 (1)1: 1500000 (2)l:5000000 110 (3)4
( 3 ) 30000 2 ( 1 ) 25 km (2)1.5 x25 =37 .5 ( km)
:T--5m
F,IYF) 6, "H'EBJ9HH0*ffiEEHft 37. 5 km"
E?i/.& 24 16 t2 8 6 1.4 m = 140 cm 2.8:140 = 1: 50
fiFFIHi{iffi 2 3 4 6 8 a.5 +,1 =225(cm) 225 cm=2.25 m
(r)'xft)vW *ffi
#FltffiftW
6':*dKflfl .H Bt tt@lRE I : 5o ; it#la A RW H
(z) ETt )',W. 5 frF FX Al ft W fi\ F- bLFrJ X?., B h HE Z. 25 mo
" @ft )yW x frF lt frrt,fr W = ); ff?fr.fifr.f ffi # H! ,,\ E*
&(-E)"" 3500000 =35 +)K
35 x7.2 --2s2(+)K)
2 0) Fxt bu,filY6. 4H,#Hffi = @zJrr.jffi
252 +2.4 = 105( +)K/Hf )
#E( -E) ,FfiD)ffiifr,H. 5ffimEf thlfiErt@J 105 >90
*4.
4,}K,fr&ff+ftlET"
tltrffi*-trF- ttfrJR^pfi -,dl mfr.Mf{Rt 0r_ 10 ^,&H
+ff$ = +ff$# ( -E ) , {E+ff+ H!
ft.,FfiU61\btmJ* ffiWE bLfiiJREl : soooo.
"
(3) fr,Ebv4lJe6 " E* ,* - + =o--f- = t- 500xff I ix100=1(cm)
mn =49('E) ,* ffi " dt,E-LY,@J*A"
1500
x500100 r
100 =3(cm)
3 (1)tr
(2)( EI*6PE-)4 x2t6 +24 =36($K)
1000 x 1 , 100 =2( cm)
8,ffi* 50000
36 5&HH.H"
4 ( 1 ) (,}E6PE-)120 x4 =480( m) (1)(2)(3)tEEl
"*
63r''fll$t
dr*fi#. trFr&Tfl,.
RJ
IL 8,6 WfrfrE&2l mLL
*#'ftdtf "
';;
1
18:4 - 45: y
l8Y ={J Y4
0 500m T =10
y\fr.
8,4&4s ffirL ,ffiW t0
2h th oh
4
EW,
t
GffiI 5 ffi iAB*HIH#I* Frirlffi ,
Er,ogffitsffi,J. , "
15x(l -20%) xr=15x60
(l)tzjr Mff @++
(3)n3:1
@ x =75
(a)zJrf|
2 @ t.s @ t:2 ffi,11ffi9. * hW.
15
3 (1)(2)i8tr, ,c
6-1=9-l
o\
5r=15 x8
ffi
x =24
8,ffiE24 4}.fr.
+7ELs{riiJllffi
(tLFtJEl*[.Pft-)r' 18 r
12 =12: =8
12:18=18:y -.,t 1.6 2tr- 8 5 37s 27 4 (l)15:1
T=27
(2)14 5 0.0288 6 1: 3000000 540 7 34.8
5
-.1C 2A 3C 4 B 58
A =. 1 (rtffim), =0.8
2 itEffi)r
( =0. 875
3 (ilEffi),= 1
s
ffiI 4 (ffEm.),=36
HtrfiIlffiHr'dffi
tr. 1 (6+rpE-)
1 ( 1) @XF+.illfi-..Httr€t H!+PiEfx @*
tr
bMH}+€APEH!fi5,HIEE 5 AMH}T
&E tr
,H.fr& XffiHil.Jfc&. 4.5x=3x6
(t)Jt tr 4s"
lso
10r=16x15 x#
(2)lm
m=10000 cm lomo =2(cm)
x =24
)u,
6 BH9K$E aqXA,)'WE 24 F. a*,tE
"
'
3 ( 1) ffi,'r.k6 WfrfrA& x ffiLL *tL4.ib
"
18l.4 - x:6
4x =18 x6 +e
*i8,dB
*. x =27 ,L,fr\l,K-l : 5000
64!fffi,,**sx @
+fn'frWT x +X. 4 35 +3 =11(f)......2(+)
+1=12(+)
11
5 (1)21
22
(2)3+1 =4(.R) 4+2 +2=8(.R,)
'fiWT 2oo +)K" 8,5.,)-Hfr 4 R,nl t\RiEmfr-nffi+ . 4.D
Hfi 8 .R, 4D.l{Xitrmfi 3 X[ffi+"
(3)10 +2+l =13(.F,)
t
$,5.,)-ffifr 13 .R, frARfrH 2 WffiA6tHH
89ffir"
BAetr
t234567 891 .il5ftil
f
Q)rt
ffiEt
( 3 ) fifH 8 mN ,WK6.4 m. ffiK4 m Erf ,fifH 5 m"
tr-EEer-E
ffi,tkffiF.HE=* r*"
0.9 x0. 9 xx =0.36 x270 1(1)2 4 3 3 3 (2)1.6 150 40% 6397
0.81 x* =0.36 x270 1800000 1
x =120 83 (4)llBtfrrn
t033.7t 8293000000 1s7
*"
6,ffiEHE_
120
4 +X EX -130 -100 -50 -100 202740
60 =6000000
(s)95200.08 (6)0.01 6028 72
12: 6000000 = 1: 500000
2 (1)B (2)c (3)B (4)c
a2 + roo 1 ffi = 21000000( IEX ) 3 70 + ll =6. 3636.-.,'ffifrfih 36, Ep 70 + ll B!ffi
21000000 EX =210 +X i6, Aff-+ -
EIrff 5En 6. +E@+'tFififr FJW,
f
S, Et BIJ,H Hg*ffiEEHrtJ E 210 + X< " fHHEA 2 +W+,2017 +2 = 1008......1 ,Ary
E t, Ffi t\ a. iir$,,l'W*fi+H 2ot't lit fr+JW+E
1 (r)ln@Ffir^ 2
a ,4 ,a 't6frfr+ffJH 1 +W+"3"
,a "
< . n E E 5< E u \ s tr <{l s@ 4 0 -l) +z =J- , -i=#
E,t*tEltff.B1f1"
(2)uJ.tr G)4
2
(1)B (2)c
2 (3)A Gm ( )
=
ilHllH -ffioetd'lbB*'
3 6tB +t2 =s1(f )......6(f ) 51 + 1 =52(t)
1(f)......2s3(f)
618 +365 = (1)3.4 3.t4 3+ (2)x.t
1 3%%
pI 618 + ffi = | (t) - - -- - 2s2 (+)
(1)B (2)c
2 (3)B
t +L =2(t)
6,{&f[g+4,]-d s2 +/\Es +.TFJ-+E$! 3 0. 2021 > 0. 202t > 0. 2021 > 0. 2021
4 496.t + (1+10) =45.1 8tryWft45.L.
"w
65,}$ffi+iA+&Tffff.RJ
-;TTE
fi8liliR (=)-Effiro{gfr (3) (1.5 +0.6) x (3 -1.8)
=2.1xl.2
1 (1)8 0 (2)1s (3)" b (4)7 210
(s)1e 31(6*6pfi-) (6)3 =2.52
(4) L(+.*,.*, ,mJ
2 (1)C (2)A (3)C llffizN #t4#.61.@.6.c.o x
D.o xc.b xc.fl,Jf 8 +H*t" (4)C (5)A .10 15-
=Lgr l rl03
g
3 36 fil 24 *1&)tr^WWEt2"
253
36+12=3(i) 24+12=2(4)
--Y-
12" lO
E,&.*ilUtlfr.r2lh" E$+#%H 3 Y.,%,
ie+a 2 +. 5
8
4 6ffi 8 ffiftzJrzat'f$Wftz+" Wh 37 x59:40 x 60 =2400,2400 )fufrf-X
24-(31 -20) =13 tetz, Ffr D15trI frVX Uttffi h 37 r.,ff) fr @, "
4,8 E 13 E{&,{llE}fl8*ElfltH. L9l2 - 22 x 59 - 1900 - 20 x 60 = 1900 -
5 5 fE 7 N/*ffiW 3s ,70,10s,... IZOO =700(fi)
70 +2 =72(H) l9l2 - 31 x 59 - 1900 - 30 x 60 = 1900 -
8,&W.*llle.*H72 H.
1800 =100(7E)
lltffr :b*& 7 #.ik'ilF, 4. E s h,ifr,aA& 7 h 700 > loo E,*Utt&h 31 76H0+tsEAiE"
ik-h!,4.r 2 A" EI li&s €-ik'l1F,Lr 2
10 kg = 10000 g
h, Fft v\qbLlrt#t *.& vY, 5 4v 7 #J - + *tr *- 10000 +60:166(4) 166 +6-28(t)
, 2" *+^€,t so Alt^+4+ , n *E*-70
niz i,*,+bn&rfr r,rh. ryEifr€ 6 4+-4, A*tr#ft5')'ffi9- zs +
;ffiT
,*1
@J O
1 (1)1e 4te (2)4 3 (3)€)0.36 €)60 (a*\ *3=[ @xz) +(4+2)] *3 =L*3=
(4)
<
{t"zr rf+3) -+=3
(6)u + =4
2 (1)B (2)c (3)B (4)B (5)B +t IEJH## B!iLi*. tr t itH-M&)tntrfr FE gt', g
1^88
3 (1) 4 +u x g = g +E*E H&.fnxttr , EIIfH E B! Winffifinrd.,, &,diEif
I1 8. fi +{nffi E B0&fE truffi ; it H {'WInW,E B-'I, g +E
8 *
4'8 't, Et
-*
11 Wffiffifrlrd.,, & #iEit ry+& fE lEl Ht ffi ffifinH. ;
4 '8 'l HITWTNW.E F{, fr 41fr N*E +W, A&AA,
1 Rfl,h+ffilrrH , EPrIry+{nfE E ffir}&fEind,
32
6+aE
eFnEit ry+{nffi E PiryfEnrtrfr. (
(2) x7.5 xf; -tsr
12.7 -26
EIJtrJ)
=0.75 x (127 -26 -l) :GHN fiBlEH(=)-ffii*ioffi
=0.75 x 100
1 (r)z\ 20 @h I (3 )48 (4)e xEffi
..*, =75 7
66&
3+6t
[ffa
x
d 3 +3 -*.EHffie 16H_H,B!&E 2x =11.4 +66
2 0)120 x(t +71 ) = 1s0(m) x =90
6,?Sz$n-€ffitu1*-WFfiffiHlHf lf,E e0 hffi
"
(2)4s0 +5 -42 =49(+)/ryfr) (2) ffi ,tftW,fl ,Hr,. B nfr -L + Bl H H0 e ffi !fl E t
3 ( I )B (2)C (3) B jlffi=tL#" it*l *FI, ffl +*.
n
*# )t-#1 ;1 &-E 4*,1 5 + .*", fu" 4- k )F-" xffi6
600 =z+o
^4L,
(.dLdtr.&_it f *.6 j6*,1 #t *) fr +i +{i' I ",5 + r
=6(X)
xE "{.a,K" ft( I - lt, *-+lr'1" 6ia, El a 300 +600 =900( +r()
E,lbffig6tr4ftEifi"
)*it+,rl^hs+{r-f)
(3)ffi,WIF-ffih , fi"
"
(4) c 50%x+60%x=132
4 1298x (15 -3) - 1861'ts =226(4*) l. lx = 132
6,Hitiu€xHP226l+" x =120
fi.
-|l .t E,F ,ZWffir ffiY,ffJIRUlh 120
5 (r #-++ro) =20(x)
(4) ffi ,&Lffifr,HiHH*6. * ffi,.
6,trE 20 XtfrVfrlLlt*.
rtl P4 ix +a.8 =r -4.8
llffi : fuf6&*tafr +F +l:," I " , fl'l Y r.L#t
xfir,rxwa+f*+ftf + ro = *" P, LfrrL x =25.6
x* *nl
25.6 = ,u,
*flt##trrF{gLl -+
= f;,nr*r+i'g-g
E,# ffifr,Lmtr*a L6 +fr , Lffifr+.frIil*-
rA vx 6 EL6t r +F *-+ #r tu Ef af tr4 r\ Ffr i- rtf FI Ii'J . E 2s.6 +fr,"
6 t2 xt.Z x3t = 446. 4(ir-*)
=iHE blffiEunu
310 x3.0 =930(i)
(l)e: t e (2)H.ffi (3)5:6: 10 (4)t4
(446.4 -310) *3.3 =450. tzOE)
(s)4 4 ffi El (6)+
930 +450. 12 - 1380. 1( fr) +
E1 Elllt'ffiXffi$i-i,f-Iftf ftfr 1380. 1 78" (r) ffi.Eb?ffilL#' Q) FXtrbr,B)X (3)ZlFi
ffit
rt-5HE WFIJX? G) fr.E-bv,F!*.A (s) 6fr,wh|
*R.
1 0)6a trtrfr+hhffiEEE!&fr
(2)42 23 (3)O-+8-b @4 llffit@lY 3 (trffiffi), =ft r =8 *=*
+8" 5 ffi x#t *-ft 24 t+, W *, #J *-*_ 0", E
(1)3 4.s
4 6
24 +8 -b =0,b =3.
*rx*fu^.#J*,ft56,tFAf^fia
(2)
ti€,4..,*,*.1,*,
*,#l*-ft56 +8 -3 =4. (4)21 4n +l
6
2 0)c (2)c (3)A (4)c
5
4.
3 ( ffffiffi), =4 * = l Z l 4
3
'3
4 0)ffi,fr.iflfrx+qtu$-E lq,
Ffiffiffrnf 2
xhffi" I
'n l....4r z34
2x -66 =ll4 7 €r*,FiliJ/Fr
67,*.trFfrTffr
dr#fi# .
RJ
(3)ftiEttfil*4o " tsfrr{fi + iEfrEf 14 = €
2.@ftr5n{nt
zJr B'iiE 4ft H! ndffi ", 6uJ' E{ErE Pl rd&-E
"
(+)s zJrEfiE#,7.s W" Gm BroliliR-5illlE ( - ) +tr
-
E-bv,Ftl
ffi ,&Bfr-H" fiz\zjt E " ffi 4:e, ffi (r)r 3 (2)t t (3)+fiffi (4)s2
"
r x (0.6 +0.8) =0.6 x63 (s)4so (6)10 31.4
l.4x =37.8 2 (1)A (2)B (3)c (4)c (s)D (6)c
1)
x =27 3 ( *Atrrli
E rlh.ffi" fi,,\zj' E " ffi E E 27 M, x e-,}iErfi \ \ \- 'x
+rO1** + \\\_
2.a = 12000000(cm) -\R*N
tr N lrr ^tr
8:12000000 = 1:1500000 ,!* ]4,
E, fi -WtuEl H0 ttfil,R.E I : 1500000 " +AE ld,
7 2oo * | =tw1#^) 700 x Q -a0%) =420(tR) (2)rI*6pE-,1r,
+zo xft1= 180(tR) €:'EltDtHftr 180 m"
GEEI Htro$E
1 (1)trX h fr) +fr, +X E{ rt
(s)lntrrtrzi
'l
(2)3 (3) E tlffit202s +ft+ft,FI1u\))'
2024 +6 A t a 4\202s +6 A 1 A *4i:{ 36s
X-" 36s +7 =52(E )......1 ( k), Efr^ 4iE tE 1
k,*_E#ta
"
(4)s.6
2 so.8 t.25 3.07 8 230 0. 8 800000 4 3. 14 x60 + 100 x2 =388.4(X)
8300 8.3 3.14 x (60 +2)2 + 100 x60 =8826(+trX)
3 (l)c (2)B (3)c E,WE#bVtEE-EE 388.4 )K" il+&thff)ffi
4 (r)6 +i)K"
x4000000 =24000000(EX) ffAE 8826
24000000 E* =240 +* 240 +24= 10( Ht) (1)E',;*- Wtlz-EHBtK,31.4 "l
=
4
10 E{ -4 Hf =6 Ht' 24Bt -6 E{ =13 s1
E,t*MtrfuFzu24+s E 31 E t8 E{SEffi. 7. 85 ( cm)
(2) r0 ffl 8 ffiEzjtAffiWft,Ao KfrMillKrrr' + r = rr =31. 4 +2 =15. 7( cm)
"
8 Et +40 ,l --8 N 40 jl PfrWffirlfflHK : 15. 7 x2 +7 .85 = 39. 25 ( cm)
h fri*-
10 H{ -8 E{ =2 Bf =120 31. 4 +31. o "I=39. 25(cm)
120 + 10 =12(+) E,pfrw*FhH0lfl KE 3e. 25 cm,
120 +8 =15(+)
(2)Wfr1J+'4+:31.4 +3.14 +2 =5(cm)
(+)
t2 +15
=27 EffiEfA,3. 14 x52 =78. 5( cm2 )
6, TI/IIEIHt frM#ffl)-f 6e ffi Ef lsl E 8' +0.
(l -|l
&E E Xt-+ 10: oo, i&{ll-*ffiff{ T zt ,y fsfrfu*Ftl#JfufR:78.5 x =tt.875(cm2)
*" **. ry, Ffi**Hlrtf0 EfAE 58. 875 cm2 .
68&
ffi* *+s,E
i)fiE: ( l)ni*=t{25
zJrEllffi,6.[UzJ'Hffi. E, 8X );TFE& Hf ffi EEf ffi Wlfr ,
3 0)L (2)L 10 (3)8il+H**Ez,,E. hffi : E&- * x 6A Fl *t W z fkE*#t ft )x'T,*" *W
+frAffi.Lfrf,#'R. ( ATEEIT trI ) 4* #t lk *-*_x &, :s/i 2 lk 2 tkrt.,,}* ; *" xwt* #J rK
4 (l)n- (3) m+t "XEIRH" miFH*fiffi *-ft+*,fgZ;f alo2 fkz #fu,t&,frE 3 lyr.&
fri+fr 'I&3 tY#r&fr,iF+'W.
4 0)wh=frM, ABC fr!)b. AB EKgJ,fi D,Flt))
ttffi TeM &tffi + E tt,
pg
/\ffi 3 6 15 12 4 LABD = 180o,ElJ IABO tJY,fr,fr z,lBn
L2 ffi Ls tLffi,fr ,lI t2 ffi tS Xlpyg1ftYh;
H&, tz ffiL4Mi\ffJft+fr.
(z)Bh tZ + L5 =IWo, Ll + L2 + L3 =l80",Fl
D)t2 + L5 = Ll + L2 + L3,Ep L5 = Ll + L3"
b tf ! i (3) H(2) +Hlz-YttrJ"t#, tq = Lt + L2. BIJ
(3) (40 -3) +40 xtffi% =92.5% Ll = 60", L4 - ll0o, Ffi D) tZ = 110o -
6:i(3)W+4." XBiXH" fr] fr,#fr+JeffiB 60o =50oo
892.5% (t)* -A =A +A +A -A =A + L=t2,FfiD)
"
A =6,* =6 x3 = 18o
4.il+,lB#
(2)O+O+E +E +n +O +O +O +E +E=
(1)013 2r llffizlaaffr+eMn+i6-+&" 5 xO +5 x! =5 x (O+tr) =54 +46= 100,
@262 s18 llffi tla$fi +*-, E fr #t*-butt- fr O+n= 100 +5 =20,E =54 -20 x2 = 14,O =
#J&tig;kBhe 4,8,16,32,64......9Y N\ 4 t#, E 20 -14 =6"
*,. fr iLH #t *-f-.fr fr iew *-#t 2 ,',E , Ffr v\ 134 h fr ifi,*i6 Ht E T, {fi tFs E0 EE.
70&
3+s*
lER
@L+ o)+ (8)*
s.6e-5*ffi
(1)@ (2)6 2 (itffirh) 0+ QDr (3)too (4)s.7
1
2 (1)3s1 +7.8 x (r2x2) =1080(s) 3 ( trffiffi) (t),c =? Q)* =t (3)x =t2.5
E, tiltr*w#- + r T rIfr t\Wl).ffi#Ftl 1 080 g
"
(ft* pE-)r[HfrM E. 1 ( t)\ngffizt; (13,s) (z)\nWFnfr
(2)
(3)i[trrtrrri
42
1080 g=t.08(kg)
0.54 +2.7 x 1.08 =0.216( m)
I
E,'tr *t)fr -ex ffi + T WW,,)' fr+Jffifi tt fE E T
F
ffi 0.216 mfff .
( I ) (285 x2 +285
x71 )
x2 =r425(7E) 2 Q)3s% ts% (2)rlwtfrr^"
E, 4.,)-*W&'djLf:ia fr ru2s ft
"
(2)285 x2 +285 ,; I *900 x60o/o x 2 + 900 x
1
;=2242.s(7E)
gt|&, j(f1i[fr A B C Dfi€+SA
E 4.,t 2242. s fr,.
(3) . 320 x4+(80+40+150) x3x5 +1425= t. 1 ( ( ee**6trppEE-- )H ) H++EEEEAA++RRffiiff 330000 mm,,r yryEE
67ss(n) fif H!ffi & M+ XN 4 +,rll i.A+ E E+A Dbfif fr
6755 <7000 +XN*DIR?
2 ffi ,&.frfu&iEfr H trI tll tktt fL * *
"
4 ffi,tk&tffiAErH.
x: 18 -0.1:1.2
20x=(x+15) x8
x =1.5
l2x =120 E,Sfi&LW€,&H trI tliqit,El I . 5 X
"
x =10 3 ( 1)3. t4 x (2 +2)2 =3. L4(+trt/r.)
20 x l0 + 10 =20( g) 6, iSfffiT ET z - t4 +fi tlil
