8 4/5 × 1 7/8 = 44/5 × 15/8 = 11/1 × 3/2 (сократили) = 33/2 = 16 1/2
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8 4/5 × 1 7/8 = 44/5 × 15/8 = 11/1 × 3/2 (сократили) = 33/2 = 16 1/2