1) 1 11/18 + 13/24 - 1 13/36) * 1 3/5
=
14/15 * 1 3/7 + 7/10 * 3/14
2) 4 1/6 * 4/15 - 7/18 * 2 2/3
=
( 2 7/15 - 1 13/18 + 4/45) * 1/2

kseniafilipovich09    3   05.05.2021 11:08    2