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arzufmajidli
@arzufmajidli
October 2023
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Дам 25 бал. И подпишусь и сделаю лайк
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nargizaarzykulova95
19/25+(1/15+1/15)= 67/75
1) складываем то что в скобках 1/15+1/15= 2/15
2) прибавляем 19/25+2/15=67/75
(19/28+1/7)-13/28=5/14
1) 19/28+1/7=23/28
2) 23/28-13/28= 5/14
(7/16+5/18)+(1/16+1/18)=5/6
1) 7/16+5/18=103/144
2) 1/16+1/18=17/144
3) 103/144+17/144=5/6
10/21+19/42+4/21-5/42=1
1) 10/21+19/42=13/14
2) 4/21-5/42=1/14
3) 13/14+1/14=1
2 votes
Thanks 1
arzufmajidli
спасибо
arzufmajidli
я выполнила обещание
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Answers & Comments
1) складываем то что в скобках 1/15+1/15= 2/15
2) прибавляем 19/25+2/15=67/75
(19/28+1/7)-13/28=5/14
1) 19/28+1/7=23/28
2) 23/28-13/28= 5/14
(7/16+5/18)+(1/16+1/18)=5/6
1) 7/16+5/18=103/144
2) 1/16+1/18=17/144
3) 103/144+17/144=5/6
10/21+19/42+4/21-5/42=1
1) 10/21+19/42=13/14
2) 4/21-5/42=1/14
3) 13/14+1/14=1