a) x = 4 - 2 1/2 = 4 - 5/2 = 8/2 - 5/2 = 3/2
Ответ: x = 3/2
б) x = 2 3/8 - 1/2 = 19/8 - 4/8 = 15/8
Ответ: x = 15/8
a) x = 4 - 2 1/2 = 4 - 5/2 = 8/2 - 5/2 = 3/2
Ответ: x = 3/2
б) x = 2 3/8 - 1/2 = 19/8 - 4/8 = 15/8
Ответ: x = 15/8