(20 16/25+13 9/25)-(23 4/14+7 13/14)=2 11/14
Первое действие в скобках
20 16/25+13 9/25=33 25/25=34
23 4/14+7 13/14=30 17/14=31 3/14
34-31 3/14=33 14/14-31 3/14=2 11/14
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Answers & Comments
2) 23 4/14 + 7 13/14=30 17/14=31 3/14
3) 34-31 3/14= 33 14/14 -31 3/14= 2 11/14
Ответ: 2 11/14
(20 16/25+13 9/25)-(23 4/14+7 13/14)=2 11/14
Первое действие в скобках
20 16/25+13 9/25=33 25/25=34
23 4/14+7 13/14=30 17/14=31 3/14
34-31 3/14=33 14/14-31 3/14=2 11/14