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Алина11566
@Алина11566
November 2021
1
7
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(2/7 + 7/2) * 4 целых 2/3
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TigerYa
Verified answer
(2/7+ 7/2)• 4 2/3=
( (2•2)/(7•2)+ (7•7)/(2•7) ) • 4 2/3=
(4/14+ 49/14)• (4•3+2)/3=
53/14• 14/3=
Сокращаем 14 и 14 на 14 ;
53/1• 1/3= 53/3= 17 2/3
Или так
(2/7+ 7/2) • 4 2/3=
(2/7+ 7/2)• (4•3+2)/3=
(2/7+7/2)• 14/3=
2/7• 14/3+ 7/2• 14/3=
Сокращаем 7 и 14 на 7; 2 и 14 на 2;
2/1• 2/3+ 7/1• 7/3= 4/3+ 49/3=
53/3= 17 2/3
1 votes
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Answers & Comments
Verified answer
(2/7+ 7/2)• 4 2/3=( (2•2)/(7•2)+ (7•7)/(2•7) ) • 4 2/3=
(4/14+ 49/14)• (4•3+2)/3=
53/14• 14/3=
Сокращаем 14 и 14 на 14 ;
53/1• 1/3= 53/3= 17 2/3
Или так
(2/7+ 7/2) • 4 2/3=
(2/7+ 7/2)• (4•3+2)/3=
(2/7+7/2)• 14/3=
2/7• 14/3+ 7/2• 14/3=
Сокращаем 7 и 14 на 7; 2 и 14 на 2;
2/1• 2/3+ 7/1• 7/3= 4/3+ 49/3=
53/3= 17 2/3