1)3. 2)62. 3)18.
50. 100. 25 вроде так
13/50 + 12/50 + 2/50 = 27/150
56/100 + 15/100 - 9/100 = 62/200
( 20/45 + 18/45 ) - 29/45 = 19/45
1)3. 2)62. 3)18.
50. 100. 25 вроде так
13/50 + 12/50 + 2/50 = 27/150
56/100 + 15/100 - 9/100 = 62/200
( 20/45 + 18/45 ) - 29/45 = 19/45