2.Запишите дроби в одинаковых долях. 1)7/15,4/5 и 1/3, 1 1/3,2/5 и 4 3/4, 2 3/8,1 7/9 и 3 5/6. 2)0,24 и 1,5 , 7,015 и 9,45, 4,7 и 0,067. Created by yuliyamironova1. matematika-ru

6. 2)0,24 и 1,5 , 7,015 и 9,45, 4,7 и 0,067...

shevtsovavalia 1) 7/15, 4/5 и 1/3 = 7/15, 12/15 и 5/15
Общий знаменатель 15
4/5 = 12/15 - доп.множ. 3
1/3 = 5/15 - доп.множ. 5

1 1/3, 2/5 и 4 3/4 = 1 20/60, 24/60 и 4 45/60
Общий знаменатель 60
1/3 = 20/60 - доп.множ. 20
2/5 = 24/60 - доп.множ. 12
3/4 = 45/60 - доп.множ.15

2 3/8, 1 7/9 и 3 5/6 = 2 27/72, 1 56/72 и 3 60/72
Общий знаменатель 72
3/8 = 27/72 - доп.множ. 9
7/9 = 56/72 - доп.множ. 8
5/6 = 60/72 - доп.множ. 12

2) 0,24 и 1,5 = 0,24 и 1,50 (сотые доли)
7,015 и 9,45 = 7,015 и 9,450 (тысячные доли)
4,7 и 0,067 = 4,700 и 0,067 (тысячные доли)

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prettypushkova

Verified answer

1)7/15                                11/3=220/60              2 3/8=207/72
4/5=12/15                          2/5 =24/60                 17/9=136/72
1/3=5/15                           4 3/4=4 45/60             3 5/6=3 60/72
2)0,24=24/100=6/25=12/50; 1,5=1 1/2=1 25/50
7,015=7 3/200;      9,45=9 9/20=9 90/200
4,7=4 7/10=700/1000;   0,067=67/1000

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