Ответ:
1/42
Объяснение:
1) 5 1/6 + 4 1/7= 31/6+ 29/7= 217/42+174/42=391/42
2)391/42:391= 391/42:391/1= 391/42*1/391= 1/42
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Ответ:
1/42
Объяснение:
1) 5 1/6 + 4 1/7= 31/6+ 29/7= 217/42+174/42=391/42
2)391/42:391= 391/42:391/1= 391/42*1/391= 1/42