Пошаговое объяснение:
1.
1)-3/4-1/6= -9-2/12 = -11/12
2)-1 целая 3/8= -11/8
3) -11/12 * -8/11= 2/3
2.
1) 1/4- 5/18 = 9-10/36= -1/36
2)-1/36*36/1= -1
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Пошаговое объяснение:
1.
1)-3/4-1/6= -9-2/12 = -11/12
2)-1 целая 3/8= -11/8
3) -11/12 * -8/11= 2/3
2.
1) 1/4- 5/18 = 9-10/36= -1/36
2)-1/36*36/1= -1