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7/24/2019 10 ZANIMLJIVIH ZADATAKA O BROJU 2014.pdf
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10 2014
a , b , c , . . . , m , n , k
a+b+c+. . .+m+n+k = abc . . . mnk= 2014 . 2014 = 2 19 53,
2 + 19 + 53 + 1 + 1 + . . .+ 1 + 1 = 2 19 53 1 . . . 1 1 . 1 1940
20142014 + 2014 916370 0 . 916370 = 2 5 7 13 19 53
20142014
+ 2014 = 2014 (20142013
+ 1)
2014 = 2 19 53 20142014 + 2014 2 19 53
20142013 + 1 5 (1)2013 + 1 50, 20142014 + 2014 5
20142013 + 1 13 (1)2013 + 1 130, 20142014 +2014 13 2014 7
2 (
2)3
7
1
20142013 + 1 7(2)2013 + 1 7(2)3671 + 1 7(1)671 + 1 70, 20142014 + 2014 7 20142014 +2014 2 5 7 13 19 53 = 916370 .
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17
4
28 48 2014
a b a b 0
a, ab, b, 1
a,
1
ab,
1
b, a , a b , b , . . .
6 6
a ab b 1a 1
ab1
b =
a2b2
a2b2 = 1.
6 1
17 4 17 = 2 6 + 5
a ab b 1a 1
ab=
a2b2
a2b =b = 4 .
28 48 28 = 4 6+4
a ab b 1a
=a2b2
a =ab2 = 48 , b= 4,
16a= 48, a= 3 .
2014 = 6 335 + 4, 2014
a ab b 1a
=ab2 = 3 42 = 48.
z 1, z2013 z2014
|z| = 1. |z2013| =|z|2013 = 1 |z2014| =|z|2014 = 1, z2013 z2014
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z z2013 =1 z2014 =1,
1, z2013
z2014
,
z2014
z= 12
+i3
2 .
|z| =1
2
2+3
2
2= 1 ; z3 = 1, z2013 = (z3)671 = (1)671 = 1
z2014 =z2013 z =z =12 i
3
2 =1, z = 1
2+i
3
2
.
2014
n p1, p2, . . . , pk n p1 1 p2 2 pk k
n= p11p2
2 . . . pkk .
n
N(n) = (1+ 1)(2+ 1) . . . (k+ 1) .
2014 = 2
19
53, 2014 :
1. 2014 = 1 2014,2. 2014 = 2 1007,3. 2014 = 19 106,4. 2014 = 38 53,5. 2014 = 2 19 53.
2014
1. n1= 22013,
2. n2= 21006 3,3. n3= 2
105 318,4. n4= 2
52 337,5. n5= 2
52 318 5 .
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n5
2014
252 318 5 .
11 . . . 1 2014
22 . . . 2 2014
11 . . . 1 2014
22 . . . 2 2014
= 11 . . . 1 2014
102014 + 2 11 . . . 1 2014
=
= 102014 1
9 102014 + 2 10
2014 19
=(102014 1)(102014 + 2)
9 =
= 102014 1
3 10
2014 + 2
3 = 33 . . . 3
2014
33 . . . 3 2014
4 .
k
2013k | (201220132014 + 201420132012)
a= 2013 k
ak
|((a
1)a
a+1
+ (a+ 1)aa1
) .
a
(a 1)aa+1 1 a.(a+ 1)a
a1
1 a. a (a 1)aa+1 + 1
(a+ 1)aa1 1
k n N Sn tn
(1 +a)an
= 1 +Sn an+1 aSn . . . ()
(a 1)an = 1 +tn an+1 atn . . . ()
n= 1 : (1 +a)a = 1 +
a
1
a+
a
2
a2 + +
a
a
aa =
7/24/2019 10 ZANIMLJIVIH ZADATAKA O BROJU 2014.pdf
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= 1 +a21 + a2+ a3a+. . .= 1 +S1 a2 . a a|a
2
aS1 S1= 1 +
a
2
+a
3
a+. . . .
n
(a+ 1)an+1
= (1 +Sn an+1)a = 1 +
a
1
Sna
n+1 +
a
2
Sn
2a2n+2 +. . . =
= 1 +an+2
Sn+
a
2
Sn
2an +. . .
= 1 +Sn+1an+2
aSn aSn+1. () () aa a
(a+ 1)aa1 1 (n= a 1 ()) aa+2 a
(a 1)aa+1 + 1 (n= a+ 1 ()) k(=a) = 2013 .
x n
x2n 4 = 3 (4 + 42 + + 42013) .
3 (4 + 42 + + 42013) =
= (1 + 4)(4 + 42 + + 42013) == 4 + 42 42 + 43 43 + 44 42013 + 42014 = 42014 4 ,
x2n4 = 420144 , x2n = 42014 . x2n (22)2014 = 0, (xn)2 (22014)2 = 0,
(xn 22014)(xn + 22014) = 0, xn = 22014 = 221953 .
x= 2, n= 2014x= 22, n= 19 53 = 1007x= 219, n= 2 53 = 106x= 253, n= 2
19 = 38
x= 238, n= 53x= 2106, n= 19x= 21007, n= 2x= 22014, n= 1 .
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(x, y)
(x+y+ 2014)2 =x2 +y2 + 20142 .
x2 +y2 + 20142 + 2xy+ 2x 2014 + 2y 2014 =x2 +y2 + 20142
xy+ 2014x+ 2014y= 0 (x+ 2014)(y+ 2014) = 20142 .
20142 = 22 192 532 20142 3 3 3 = 27 2 27 = 54
54
x+ 2014 = 1, y+ 2014 = 20142 (x, y) = (2013, 4054182) (x, y) = (2015,4058210)
x+ 2014 = 2, y+ 2014 = 2 192 532 (x, y) = (2012, 2026084) (x, y) = (2016,2030112)
x+ 2014 = 22, y+ 2014 = 192 532 (x, y) = (2010, 1012035) (x, y) = (2018,1016063)
x+ 2014 =
19, y+ 2014 =
22
19
532
(x, y) = (1995, 213484) (x, y) = (2033,215498)
x+ 2014 = 2 19, y+ 2014 = 2 19 532 (x, y) = (1976, 104728) (x, y) = (2052,108756)
x+ 2014 = 53, y+ 2014 = 22 192 53 (x, y) = (1961, 74518) (x, y) = (2067,78546)
x+ 2014 = 22 19, y+ 2014 = 19 532 (x, y) = (1938, 51357) (x, y) = (2090,55385)
x+ 2014 = 2 53, y+ 2014 = 2 192 53 (x, y) = (1908, 36252) (x, y) = (2120,40280)
x+ 2014 = 22 53, y+ 2014 = 192 53 (x, y) = (1802, 17119) (x, y) = (2226,21147)
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x+ 2014 = 192
, y+ 2014 = 22
532
(x, y) = (1653, 9222) (x, y) = (2375,13250)
x+ 2014 = 2 192, y+ 2014 = 2 532 (x, y) = (1292, 3604) (x, y) = (2736,7632)
x+ 2014 = 19 53, y+ 2014 = 22 19 53 (x, y) = (1007, 2014) (x, y) = (3021,6042)
x+ 2014 = 22 192, y+ 2014 = 532 (x, y) = (570, 795) (x, y) = (3458,4823)
x+ 2014 = 2 19 53, y+ 2014 = 2 19 53 (x, y) = (0, 0) (x, y) = (4028,4028)
x+ 2014 = 532, y+ 2014 = 22 192 (x, y) = (795,570) (x, y) = (4823,3458)
x+ 2014 = 22 19 53, y+ 2014 = 2 19 53 (x, y) = (2014,1007) (x, y) = (6042,3021)
x+ 2014 = 2 532, y+ 2014 = 2 192 (x, y) = (3604,
1292) (x, y) = (
7632,
2736)
x+ 2014 = 22 532, y+ 2014 = 192 (x, y) = (9222,1653) (x, y) = (13250,2375)
x+ 2014 = 192 53, y+ 2014 = 22 53 (x, y) = (17119,1802) (x, y) = (21147,2226)
x+ 2014 = 2 192 53, y+ 2014 = 2 53 (x, y) = (36252,1908) (x, y) = (40280,2120)
x+ 2014 = 19
532, y+ 2014 =
22
19
(x, y) = (51357,1938) (x, y) = (55385,2090)
x+ 2014 = 22 192 53, y+ 2014 = 53 (x, y) = (74518,1961) (x, y) = (78546,2067)
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x+ 2014 = 2 19 532, y+ 2014 = 2 19 (x, y) = (104728,1976) (x, y) = (108756,2052)
x+ 2014 = 22 19 532, y+ 2014 = 19 (x, y) = (213484,1995) (x, y) = (215498,2033)
x+ 2014 = 192 532, y+ 2014 = 22 (x, y) = (1012035,2010) (x, y) = (1016063,2018)
x+ 2014 = 2 192 532, y+ 2014 = 2 (x, y) = (2026084,2012) (x, y) = (2030112,2016)
x+ 2014 = 22 192 532, y+ 2014 = 1 (x, y) = (4054182,2013) (x, y) = (4058210,2015)
x2 y |z| = 20142 .
2014 2014 = 2
19
53
x 1, 1,2, 2,19, 19,53 53
x =1 y |z| = 20142 = 22 192 532 20142 = 22 192 532 3 3 3 = 27 x =1 2 27 2 = 108 x z
x= 1, y= 1, z = 22 192 532,x= 1, y= 2, z = 2 192 532,x= 1, y= 19, z= 22 19 532,x=
1, y= 53, z=
22
192
53,
x= 1, y= 22, z = 192 532,x= 1, y= 2 19, z= 2 19 532,x= 1, y= 2 53, z= 2 192 53,x= 1, y= 192, z= 22 532,x= 1, y= 19 53, z= 22 19 53,
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x= 1, y= 532, z= 22 192,x= 1, y= 2
2
19 z= 19 532
,x= 1, y= 22 53, z= 192 53,x= 1, y= 2 192, z= 2 532,x= 1, y= 2 532, z= 2 192,x= 1, y= 2 19 53, z = 2 19 53,x= 1, y= 192 53, z= 22 53,x= 1, y= 19 532, z= 22 19,x= 1, y= 22 192, z= 532,x= 1, y= 22 532, z= 192,x= 1, y= 22 19 53, z = 19 53,x= 1, y= 2 192 53, z = 2 53,
x= 1, y= 2 19 532
, z = 2 19,x= 1, y= 192 532, z= 22,x= 1, y= 22 192 53, z= 53,x= 1, y= 22 19 532, z= 19,x= 1, y= 2 192 532, z= 2,x= 1, y= 22 192 532, z= 1,
x =2 y |z|= 192 532 192 532 3 3 = 9 x =2 2 9 2 = 36 x z
x= 2, y= 1, z = 192 532,x= 2, y= 19, z= 19 532,x= 2, y= 53, z= 192 53,x= 2, y= 192, z= 532,x= 2, y= 19 53, z= 19 53,x= 2, y= 532, z= 192,x= 2, y= 192 53, z= 53,x= 2, y= 19 532, z= 19,x= 2, y= 192 532, z= 1,
x =
19 y
|z
|= 22
532 22
532 3
3 = 9
x =19 2 9 2 = 36 x z
x= 19, y= 1, z= 22 532,
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x= 19, y= 2, z= 2 532,x= 19, y= 53, z= 2
2
53,x= 19, y= 22, z= 532,x= 19, y= 2 53, z= 2 53,x= 19, y= 532, z= 22,x= 19, y= 22 53, z= 53,x= 19, y= 2 532, z= 2,x= 19, y= 192 532, z= 1,
x =53 y |z| = 22 192 22 192 3 3 = 9 x =53 2 9 2 = 36 x z
x= 53, y= 1, z= 22 192,x= 53, y= 2, z= 2 192,x= 53, y= 19, z= 22 19,x= 53, y= 22, z= 192,x= 53, y= 2 19, z= 2 19,x= 53, y= 192, z= 22,x= 53, y= 22 19, z= 19,x= 53, y= 2 192, z= 2,x= 53, y= 22 192, z= 1.
108+36+36+36 =216
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2006/07 2011/12. 2 2013/14.
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