Question

помогитеее с примером​

Answer 1

c) 17/23 - 19/23 = - 2/23

d) 5/21 - 8/21 - 17/21 = - 20/21

е) 13/24 × -2/13 + 5/12 = 1/3

f) 7/9 : 2/3 - 5/6 = 1/3