A 4 / 9 × 6 / 5 =b 15 / 8 × 4 / 25 =c 27 / 10 × 5 / 18 =d 32 / 81 × 9 / 4 =e 4 / 3 × 12 / 25 × 5 / 8 =f 3 / 10 × 15 / 4 × 8 / 45 =?
A 4 / 9 × 6 / 5 = b 15 / 8 × 4 / 25 = c 27 / 10 × 5 / 18 = d 32 / 81 × 9 / 4 = e 4 / 3 × 12 / 25 × 5 / 8 = f 3 / 10 × 15 / 4 × 8 / 45 =.
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