А) (3/14) * (7/9) = 21/126 = 7/42
Б) (3/14) * (2/7) = 6/98 = 3/49
В) (12/18) * (2/3) = 24/54 = 4/9
Г) (4/9) * (16/27) = 64/243
А) (3/14) * (7/9) = 21/126 = 7/42
Б) (3/14) * (2/7) = 6/98 = 3/49
В) (12/18) * (2/3) = 24/54 = 4/9
Г) (4/9) * (16/27) = 64/243