Page 209 - Math Grade 12 (Advance)

PROEUS DARA

L61~'l:fl8tru221t~tit~mcru2~ co, 2, 4, 6 st~ s) '1
u
® 'i:H15022f'tH'itllcisb s rug,mf'ritl'l:fl8tru2ub o 15 s '1
ll ll 1 Li 1 "'-

0 t:J IC:p cJ 0 Ql I eJ tll:::p
® 'i:H151388&ur'itllu8b 25 rug'ifi1triu22tu2ti21bubmntllu8b 25
ll ll 1 Li ll .:1 1
( ~ 00, 25, 50, 75) '1

" 1H15G8 2 tuntllrlsb 3 ( sb 9) rug'ifi1trid rutlnt ru2H'itb~ t8o 2 2
ll ll 1 Li u l.j .:1 ll
tsu&untllrlst~ 3 est~ 9) '1

® 'lH.ti022f'untllcisb 11 rug'ifi1tridrutln~tlbdrut5ntru22~nucu
ll ll 1 Li u .:1
sbdru15ntru22~tit8osscs·H ( nlinnnt9ittib) tuntllrlsb 11 '1
u .:1 u u n &

0 • 0 0 l
Wtmtif.ft : tti'l:fl81382 n = abcd 10 ~mmr:nru 10 ) '1
II ll
n. titilmm n tuntllrlsb 3 ( sb 9 ) mrurun a+b+c+d tuntllrlssb 3
Ul ....,
( st~ 9 ) '1

2. titilmm n &untllrlsb 11 mrurun (b+d)-(a+c) &untllrlsti 11 '1
Ul ....,

n. n=1000a+I00b+10c+d

= (999 + 1 )a+ (99 + 1 )b + (9 + 1 )c + d

= 9(1lla+ llb+c)+(a+b+c+d)

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