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Tuesday, May 8, 2012

Pembahasan Problem Set 3 - Dasar (no1-5)

no. 1
alog ab = a dan 1/a log b2 = a-7, maka b-a=⋯


Sehingga: b - a = 9 - 3 = 6

no. 2


no. 3


no. 4


no. 5

*
(2/3)A - 5 = 15

(2/3)A =20

A = 30
*
1/2 (w+(1/3) A) =13

w+ (1/3)(30) =2(13)

w+10 =26

w =16
Selisih Kelereng = A-w=30-16=14

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