8-1/2×4/16+1/8?

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8-1/2×4/16+1/8?8-1/2×4/16+1/8?8-1/2×4/16+1/8?31/4

8-1/2×4/16+1/8?
8-1/2×4/16+1/8?

8-1/2×4/16+1/8?
31/4