4/8а = 1/2а = 0,5а
- (4/8a - 0,1b) + (5,9b + 3,7a) - (3,6b - 1,5a) =
= - 0,5a + 0,1b + 5,9b + 3,7a - 3,6b + 1,5a =
= (1,5a + 3,7a - 0,5a) + (0,1b + 5,9b - 3,6b) =
= 4,7a + 2,4b.
4/8а = 1/2а = 0,5а
- (4/8a - 0,1b) + (5,9b + 3,7a) - (3,6b - 1,5a) =
= - 0,5a + 0,1b + 5,9b + 3,7a - 3,6b + 1,5a =
= (1,5a + 3,7a - 0,5a) + (0,1b + 5,9b - 3,6b) =
= 4,7a + 2,4b.