4/9 = 8x/45 5x/12=2/36/7 = 10x/218/9 = 4x/2727/5x = 9/16Решите все))). Created by адэли12. matematika-ru

16Решите все)))...

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4/9 = 8x/45
5x/12=2/3
6/7 = 10x/21
8/9 = 4x/27
27/5x = 9/16
Решите все)))

Answers & Comments

cccp82 1)4/9=8x/45
180=72x
72x=180
x=5/2

2)5x/12=2/3
15x=24
x=8/5

3)6/7=10x/21
126=70x
70x=126
x=9/5

4)8/9=4x/27
216=36x
36x=21x=6

5)27/5x=9/16
27/5x=9/16, x≠0
432=45x
45x=432
x=48/5, x≠0
x=48/5

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