а) x = 15/28 6/5 = 3/7б) x = 13/54 27/26 = 1/2в) x = 14/15 7/3 = 14/9 = 1 5/9г) x = 7/18 9/7 = 1/2д) x + 3/7 = 1x = 1 - 3/7x = 4/7е) x - 5/16 = 1/4x = 1/4 + 5/16x = 4/16 + 5/16x = 9/16
a) 3/5б) 4/5в) 1/4г) 16д) 1
а) x = 15/28 6/5 = 3/7
б) x = 13/54 27/26 = 1/2
в) x = 14/15 7/3 = 14/9 = 1 5/9
г) x = 7/18 9/7 = 1/2
д) x + 3/7 = 1
x = 1 - 3/7
x = 4/7
е) x - 5/16 = 1/4
x = 1/4 + 5/16
x = 4/16 + 5/16
x = 9/16
a) 3/5
б) 4/5
в) 1/4
г) 16
д) 1