(-3/4-1/6):(1 3/8)=-2/3
-3/4-1/6=-9/12-2/12=-11/12
-11/12:1 3/8=-11/12:11/8=-11/12*8/11=-8/12=-2/3
1) - 3/4 - 1/6=-18/24 - 4/24=-22/24=-11/12
2)-11/12 : 1 3/8=-11/12 : 11/8 = -8/12=-4/6=-2/3
ответ: -2/3
(-3/4-1/6):(1 3/8)=-2/3
-3/4-1/6=-9/12-2/12=-11/12
-11/12:1 3/8=-11/12:11/8=-11/12*8/11=-8/12=-2/3
1) - 3/4 - 1/6=-18/24 - 4/24=-22/24=-11/12
2)-11/12 : 1 3/8=-11/12 : 11/8 = -8/12=-4/6=-2/3
ответ: -2/3