Ответ
4) 3/20 + 7/15 = 9/60 + 28/60 = 31/60
5) 13/16 - 7/12 = 39/48 - 28/48 = 11/28
6) 9/14 + 5/21 = 27/42 + 10/42 = 37/42
7) 16/35 - 5/14 = 32/70 - 25/70 = 7/70= 1/7
8) 2/5 + 1/3 - 7/30 = 12/30 + 10/30 - 7/30 =
22/30 - 7/30 = 15/30 = 3/6 = 1/2
9) 3/4 - 2/9 + 5/36 = 27/36 - 6/36 + 5/36 =
21/36 + 5/36 = 26/36 = 13/18
поставь лайк !
я стара лся
4)37
60
5)11
48
6)439
574
7)1
10
8)1
2
9)2
3
На заметку: сайт калькулятор дробей: https://www.calc.ru/kalkulyator-drobey.html
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Answers & Comments
Ответ
4) 3/20 + 7/15 = 9/60 + 28/60 = 31/60
5) 13/16 - 7/12 = 39/48 - 28/48 = 11/28
6) 9/14 + 5/21 = 27/42 + 10/42 = 37/42
7) 16/35 - 5/14 = 32/70 - 25/70 = 7/70= 1/7
8) 2/5 + 1/3 - 7/30 = 12/30 + 10/30 - 7/30 =
22/30 - 7/30 = 15/30 = 3/6 = 1/2
9) 3/4 - 2/9 + 5/36 = 27/36 - 6/36 + 5/36 =
21/36 + 5/36 = 26/36 = 13/18
поставь лайк !
я стара лся
4)37
60
5)11
48
6)439
574
7)1
10
8)1
2
9)2
3
На заметку: сайт калькулятор дробей: https://www.calc.ru/kalkulyator-drobey.html