Ответ:
1) -11/18+16/27= -33+32/54= -1/54
2) 5/9-2/3= 5-6/9= -1/9
3) 26/8-22/7= 182-176/56= 6/56= 3/28
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Ответ:
1) -11/18+16/27= -33+32/54= -1/54
2) 5/9-2/3= 5-6/9= -1/9
3) 26/8-22/7= 182-176/56= 6/56= 3/28