Ответ:
(12 5/22+7 17/22)−(13 7/23−9 15/23)=16 8/23
1) 12 5/22+7 17/22=19 22/22=20
2) 13 7/23-9 15/23=3 15/23
3) 20-3 15/23=16 23/23-15/23=16 8/23
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Ответ:
(12 5/22+7 17/22)−(13 7/23−9 15/23)=16 8/23
1) 12 5/22+7 17/22=19 22/22=20
2) 13 7/23-9 15/23=3 15/23
3) 20-3 15/23=16 23/23-15/23=16 8/23