Две целых три сотых X-одны целыя две сотых X
1). 2/3х - 1/2х = 4/6х - 3/6х = 1/6х 2/3 = 4/6 - доп.множ. 2 1/2 = 3/6 - доп.множ. 3 2) 1/4х + 1/3х = 3/12х + 4/12х = 7/12х 1/4 = 3/12 - доп.множ. 3 1/3 = 4/12 - доп.множ. 4