Ответы и объяснения

2012-03-14T23:54:52+04:00

(5/4-4/3)*(-36/7)-7/6:49/9=(15/12-16/12)*(-36/7)-7/6*9/49=(1/12)*(-36/7)-(1/2*3/7)=3/7-3/14=6/14-3/14=3/14