1)Х/15=4/5
5x=60
x=12
2)2/Х=6/7
6x=14
x=7/3
3)8/9=Х/27
9x=27*8
x=24
4)10/23=4/Х
10x=92
x=46/5
x/15=4/5 x= 15*4/5 x = 12
2/x=6/7 x= 2/ (6/7) x =2*7/6 x=7/3 x= 2 1/3
8/9=x/27 x=27*8/9 x=24
10/23 = 4/x x=4/(10/23) x=4*(23/10) x=92/10 x=9.2
1)Х/15=4/5
5x=60
x=12
2)2/Х=6/7
6x=14
x=7/3
3)8/9=Х/27
9x=27*8
x=24
4)10/23=4/Х
10x=92
x=46/5
x/15=4/5 x= 15*4/5 x = 12
2/x=6/7 x= 2/ (6/7) x =2*7/6 x=7/3 x= 2 1/3
8/9=x/27 x=27*8/9 x=24
10/23 = 4/x x=4/(10/23) x=4*(23/10) x=92/10 x=9.2