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A= 5/5+3 x 72
=5/8 x 72
=45
B= 3/5+3 x 72
= 3/8 x 72
=27
A-B= 45-27=18
Jumlah kelereng mereka 72 butir. Selisih kelereng A - kelereng B = 5 - 3 = 2
Penyelesaian : Kelereng A = 5/2 . 72 = 5 . 36 = 180 butir.
Kelereng B = 3/2 . 72 = 3 . 36 = 108 butir