a) 9:x=27:9
9:x=3
x=9:3
x=3
9:3=27:9
б) 24:58=1/58:x
1/58:x=24/58
x=1/58:24/58
x=1/58×58/24
x=1/24
24/58=1/58:1/24
В) 1/8:x=23/4:14/7
1/8:x=23/4×7/14
1/8:x=23/8
x=1/8:23/8
x=1/23
1/8:1/23=23/4:14/7
a) 9:x=27:9
9:x=3
x=9:3
x=3
9:3=27:9
б) 24:58=1/58:x
1/58:x=24/58
x=1/58:24/58
x=1/58×58/24
x=1/24
24/58=1/58:1/24
В) 1/8:x=23/4:14/7
1/8:x=23/4×7/14
1/8:x=23/8
x=1/8:23/8
x=1/23
1/8:1/23=23/4:14/7