Срочно решите уравнения даю 20 баллов !!! 3/5 : Х/4 = 12/35 И 4/7 : 6/У = 10/21 Срочно !!!!!!! Для 5 класса !. Created by ilarica. matematika-ru

21 Срочно !!!!!!! Для 5 класса !...

August 2022 2 13 Report

Срочно решите уравнения даю 20 баллов !!!
3/5 : Х/4 = 12/35
И
4/7 : 6/У = 10/21
Срочно !!!!!!!
Для 5 класса !

anmih

Verified answer

3/5 : х/4 = 12/35
х/4 = 3/5 : 12/35
х/4 = 3/5*35/12
х/4=(3*35) / (5*12)
х/4=7/4
х = 7/4*4/1
х= (7*4) / (4*1)
х= 7

4/7 : 6/у = 10/21
6/у= 4/7 : 10/21
6/у=4/7 * 21/10
6/у = (4*21) / (7*10)
6/у = 12/10
6/у = 6/5
у= 6 : 6/5
у= 6*5/6
у=5

2 votes Thanks 1

nikita1a

Verified answer

3/5: Х/4=12/35
Х/4=3/5:12/35=3/5*35/12
Х/4=7/4
Х=7/4*4
Х=7

4/7:6/У=10/21
6/У=4/7:10/21=4/7*21/10
6/У=6/5
У=6:6/5=6*5/6
у=5

0 votes Thanks 0

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