Question

2) x/6 =4/3  x=?

3)12/x = 4/5 x=?

4)19/18 = x/6 x=?

5)15/x = 17/34 x=?

6)19/38 = 8/x x=?

9)5/6 = 10/x+2 x=?

10)x+37/309 = 82/246 x=?

 

из любых источников главное правильно!!!!

Answer 1

2) x/6 =4/3; 3х=24;  x=8

3)12/x = 4/5; 4х=60; x=15

4)19/18 = x/6; 18x=19*6;  x=6 1/3

5)15/x = 17/34; 17х=15*34; x=13

6)19/38 = 8/x; 19х=38*8; x=16

9)5/6 = 10/x+2 5(x+2)=60; 5х=50; х=10

10)x+37/309 = 82/246 246(х+37)=25338; х+37=103; х=66