A) 1 1/35 (7 - 5 4/9) = 36/35 (63/9 - 49/9)= 36/35 * 14/9= 504/315= 168/105= 56/35
Б) (4,5 : 1,8 - 1,05) 2,4 = (2.5 - 1.05) 2.4= 1.45 * 2.4= 3.48.
A) 1 1/35 (7 - 5 4/9) = 36/35 (63/9 - 49/9)
= 36/35 * 14/9
= 504/315
= 168/105
= 56/35
Б) (4,5 : 1,8 - 1,05) 2,4 = (2.5 - 1.05) 2.4
= 1.45 * 2.4
= 3.48.