Ответы и объяснения

2014-02-17T15:55:56+00:00
(3/4 - 5/12) * 3 - 1/16 : 1/8  = 1/2
3/4 - 5/12 = 4/12
4/12*3 = 12/12 = 1
1/16 : 1/8 = 1/2
1 - 1/2 = 1/2