求(36/55 - 31/60) * 5/91急!巧算!

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求(36/55-31/60)*5/91急!巧算!求(36/55-31/60)*5/91急!巧算!求(36/55-31/60)*5/91急!巧算!(36/55-31/60)*5=(36/11-31/12

求(36/55 - 31/60) * 5/91急!巧算!
求(36/55 - 31/60) * 5/91急!巧算!

求(36/55 - 31/60) * 5/91急!巧算!
(36/55 - 31/60) * 5=(36/11 - 31/12)=91/132
即:(36/55 - 31/60) * 5/91=1/132

EXCEL....