Jawabanmu

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2014-03-28T19:14:20+07:00
A+(n-1)b
15000+ (52-1) 1500
15000+( 51 ) 1500
15000 + 76500 = 91500
1 5 1
2014-03-29T00:56:00+07:00
52/2 { 2 x 15000 + (52-1) 1500}
26 { 30000 + 51 x 1500}
26 { 30000 + 76500 }
26 {106500}
2.769.000