1)5/6-1/3_____1/3-5/6; 2)1/2-2/3_____2/3-1/2

Question

1)5/6-1/3_____1/3-5/6; 2)1/2-2/3_____2/3-1/2

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Answer 1

1) =(3/6)/(-3/6)=-1
2) =(-1/6)/(1/6)=-1
Ответы 3) и 4) - такие же)