Ответы и объяснения

2013-03-22T20:07:20+04:00

2-(6 7/8 - 7 1/3):3/4 = 2 11/18

1) 6 7/8 - 7 1/3 = 55/8 - 22/3= -11/24

2) -11/24 : 3/4 = -11/24 * 4/3 = -11/18

3) 2 - (-11/18) = 2 11/18

2013-03-22T20:09:43+04:00