Ответ:
1) 3/9 = 1/3
15/25= 3/5
(1/3)×5= 5/15
(3/5)×3= 9/16
2) 4/6= 2/3
6/8= 3/4
(2/3)×4= 8/12
(3/4)×3=9/12
3) 2/4=1/2
6/9=2/3
(1/2)×3=3/6
(2/3)×2=4/6
4) 21/98=3/14
20/84=5/21
(3/14)×3=9/42
(5/21)×2=10/42
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Answers & Comments
Ответ:
1) 3/9 = 1/3
15/25= 3/5
(1/3)×5= 5/15
(3/5)×3= 9/16
2) 4/6= 2/3
6/8= 3/4
(2/3)×4= 8/12
(3/4)×3=9/12
3) 2/4=1/2
6/9=2/3
(1/2)×3=3/6
(2/3)×2=4/6
4) 21/98=3/14
20/84=5/21
(3/14)×3=9/42
(5/21)×2=10/42