第十六届小学“希望杯”培训题-五年级.pdf

第十六届小学“希望杯”培训题-五年级.pdf'.)f: 1. 1+1. 91+1. 991 + ... + l.~l.
20181'-9
2. it'.)f :1 + 2 + 3 + ... + 2016 + 201 7 + 2016 + ... + 3 + 2 + 1.
3. it~ : 2015. 2015 + 2016. 2016 + 7 + 2018. 2018 + 19 3 4. 19 3 4.
~ a =···00125,b =···008.$ a X b +a -7-b.
-----20131-0 -----20171-0
:a ffi b =a X b - (a +b) ,>1((3 ffi 4) ffi 5.
• 1 •
£Sl.:a EB b =a X b ,c©Jd =d X d X d X ... X d(c 1'd if§*),
*cs EB 8) EB C3©n.
£Sl. :a Db =a X 1 ~ + b ,a Ob =a X 10 + bC;!t9=' ,a ,bf~~§~~),
/!1-0
* ).
~TYtl~*rm~Jr.~ ,>it 2018 ~mJLfirm~HL1'~?
2,3
4,5,6
7,8,9,10
11,
.~TYtl~rm~Jr.~ ·*m 20181'~.
1,2018,2017'1,2016,2015'1, ...
10.~1mr7U~'A:B"J~* .>~m 201s 1'~'A:e"Jf0.
2 + 3 ,3+7,4+11,5+15,6+19' ...
• 2 •
1i. it~;fJL_t~f~J¥n Ep ill ~u 10000 1--::k -r o 8"1§r.:kZJ&=i,2, 3, ... , 10000 st, /G $ n Ep ;fJL~i!i~
~•, lij:iX:tJEPZJ&+ 7 ~ 9 st, 't:t~HEP ili x .1ti=F*~1TEPm-tM89~1=f ~5'1'"ZJ&?
12.~-t.~ -~rttJ:T, lij:s*rttJ:T _rt~~~% c/G:Ji::tt:J1llJtJ¥~ 89), ~'J\ren=u?tmte:. 6 fr! 6911:-fitl T,
Jif.~:1!%~~%8"J1JZ-±1JZJ&~tB 1, l'OJJ!®rttJ1~~~5'5*?
13. ~ - *ZJ& , lll-mr rm 8"1 4 1'" ZJ& :Ji:: 2 , o , 1 , s , hA ~ J 1'" J& ,rs •!t±J --~ 1'" ZJ& tr) :Ji:: t: nu oo If§~~ 4 1'" ZJ& z fr!
89 1'" 1iI ?}& '¥ ' rr=i1 a:!! - *?}& i:p ' ~ * ?X ,tfj }~ 2 1 ' 70 ' :!! 4 1'- ~j[ PL) ?
14.~I)\.lij:1J\Btl*J~Jf:'.±tz: 21'" A tz:£ .M'.±tz: 31'" B tz::Jlt ,lfl§'.±tz: 11" C tz:Jb ,y!IJ~ 725
1" re£ :Ji:: ll}J~ wtz: £ ?
1s. ~ ~ s9 m1~ E '!ilf5w;f! PT kA 1*:1±11 = f:f ~Jcr 2 8"11~ZJ&. ~f) ar *.~nJt~ 1'" &J:ZJ&ziflJ. ~~~ 88
*.lf~~1'"!ffr~89f!J .~ JLW*.~1fi!? Ca +b flJ h +a f~7'11PJ--#*.IJ~Jf1:t:)
• 3 •
\'.f#*t:i!~*~ 1, 3, s, 7, 9, ··· ~1'-ifllha, ~iHft~ 2018.®•at JtJ,W,iffifil1Ja T -1--~, 13~ z., i3:
1'-iffifil1Ja 8"1~£~0'?
17. A , B , C , D , E 1i 1-- ~ , !ffJ: tX $; 1¥-1--~ , ¥f ~~ r B"J 41'-~>,K f :hlJ ~ , :I! f$ it• T 5 tX , 1~ iiJ
TOO 5 1--~: 23, 26, 30, 33, 38.>,K A ,B ,C ,D