Ответ:
1) 1 5/8+1 1/6=1 30/48+1 8/48=2 38/48=134/48(ч)
2) 134/48-3/8=134/48-18/48=116/48=2 20/48(ч)
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Ответ:
1) 1 5/8+1 1/6=1 30/48+1 8/48=2 38/48=134/48(ч)
2) 134/48-3/8=134/48-18/48=116/48=2 20/48(ч)