2018-12-latihan-soal_olimpiade-smp_matematika-teori-bilangan.pdf

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Wardaya College

Departemen Matematika

Latihan Soal Olimpiade Matematika SMP Winter Camp Persiapan OSN 2019 Departemen Sains - Wardaya College

TEORI BILANGAN

1. Find the number of integers pairs 1 x

+

1 y

=

satisfying :

(x, y)

1 2020

2. Carilah semua Tripple

(a, b, c) dari bilangan

bulat positif ganjil berurutan sehingga

a < b < c dan a2 + b2 + c2

(m, n),

where

m

and

(m + 1)(2n + m) = 9000 4. If

a1 , a2 , · · ·

are sequence that satisfying

• a1 = 1 untuk

n

is positive integer

are positive integer satisfying :

Wa rda ya C

• a2n = n · an ,

n

oll eg

3. Find the number of pairs

e

merupakan bilangan empat digit yang semua digitnya sama.

What is the value of

5. Given that

a, b, c

a2500 ?

are natural number. If

021-29336036 / 0816950875

30|(a + b + c),

1

Prove that

30|(a5 + b5 + c5 )

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