Б) - 5,2 - 4,2 = -1В) - 5,6 - ( - 3,8) = -1,8Г) 5/7 - 13/14 = (52/72) - 13/14= 10/14 - 13/14= (10-13)/14= -3/14Д) - 1целая1/3 - 1 целая1/6 = -1 - 1 + 1/3 + 1/6= -2 + (2+1)/6= -2 + 3/6= -2 + 1/2= -3/2= -1 целая1/2Е) - 5/9 - ( - 2/3) = - 5/9 + 2/3= (-53 + 92)/93= (-15 + 18)/27= 3/27= 1/9Ж) - 0,5 - ( - 1/4) = -1/2 + 1/4= (-12 + 1)/24= (-2 + 1)/8= -1/8З) - 1/3 + 0,5 = -1/3 + 3/6= (-12 + 3)/3*2= (3-2)/6= 1/6
Б) - 5,2 - 4,2 = -1
В) - 5,6 - ( - 3,8) = -1,8
Г) 5/7 - 13/14 = (52/72) - 13/14
= 10/14 - 13/14
= (10-13)/14
= -3/14
Д) - 1целая1/3 - 1 целая1/6 = -1 - 1 + 1/3 + 1/6
= -2 + (2+1)/6
= -2 + 3/6
= -2 + 1/2
= -3/2
= -1 целая1/2
Е) - 5/9 - ( - 2/3) = - 5/9 + 2/3
= (-53 + 92)/93
= (-15 + 18)/27
= 3/27
= 1/9
Ж) - 0,5 - ( - 1/4) = -1/2 + 1/4
= (-12 + 1)/24
= (-2 + 1)/8
= -1/8
З) - 1/3 + 0,5 = -1/3 + 3/6
= (-12 + 3)/3*2
= (3-2)/6
= 1/6