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Jawaban paling cerdas!
2014-01-19T15:20:01+07:00
A : c = 1 : 4
diketahui a + c = 15
maka 1x + 4x = 15
x = 15 : 5 = 3
maka a = 1.3 = 3
c = 4.3 = 12

b = 3/8
1 5 1