решите все Плис........ Created by hhhalbina4. matematika-ru

решите все Плис..........

August 2022 1 19 Report

решите все Плис.......

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evvoronina1 1) 5 5/7 + 1 3/4 =
= 5 20/28 + 1 21/28 =
= 6 + 41/28 = 6 + 1 13/28 = 7 13/28

2) 8 1/2 - 3 5/7 =
= 8 7/14 - 3 10/14 =
= 7 +14/14 + 7/14 - 3 - 10/14 =
= 4 + 21/14 - 10/14 = 4 11/14

3) 3 3/7 • 1 1/9 =
= 24/7 • 10/9 =
= 8/7 • 10/3 = 80/21 = 3 17/21

4) 5/4 • 4/7 = 5/7

5) 25/31 • 4 = 100/31 = 3 7/31

6) 17/46 : 17/4 =
= 17/46 • 4/17 = 46/4 = 23/2 = 11 1/2

7) 24 : 4/5 = 24 • 5/4 = 6 • 5 = 30

8) 1 7/6 : 7/3 = 13/6 • 3/7 = 13/14

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hhhalbina4 Спасибо

evvoronina1 Рада помочь

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