(5,4*(-3 1/3)+13,8):1 13/15+3 5/6
(5,4(-3 1/3)+13,8):1 13/15+3 5/6=(-18+13,8):28/15+3 5/6=-21/5:28/15+3 5/6= =-9/4+3 5/6=3 5/6-2 1/4=3 10/12-2 3/12=1 7/12
1) 5,4 • ( - 3 1/3 ) = 27/5 • ( - 10/3 ) = - 18 2) - 18 + 13,8 = - 4,2 3) - 4,2 : 1 13/15 = - 21/5 : 28/15 = - 9/4 = - 2 1/4 4) - 2 1/4 + 3 5/6 = - 2 3/12 + 3 10/12 = 1 7/12 Ответ 1 7/12