1)(-♾;3) [1;+♾)
2) (-4;0) (4;7)
3) (-16 3/7;16) (-6;6)
4)(-♾;1/2) (1/2;+♾)
115
229
Ответы на вопрос:
1)5/14 + 10/21 = 15/42 + 20/42 = 35/42 = 5/6 2)5/6 * 3 3/5 = 5/6 * 18/5 = 3 3) 13/22 - 25/33 = 39/66 - 50/66 = -11/66 = -1/6 4)1 1/6 : (-1/6)=7/6 : (-1/6)=7/6*(-6/1)= -7 5)3 + (-7)= -4
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