Verified answer

1.

35 : (-7) = - 5

(-5,2) : (- 0,4) = 13

(-2,613) : (-0,26) = 10,05

-5/12 : 4 = -5/12 * 1/4 = -5/48

2.

-27/8 = -3 3/8

-39/ -11 = 3 6/11

129/-5 = -25  4/5

-46/13 = -3 7/13

51/27 = 1  24/27

3.

3  2/5 = 17/5

-(2  7/8) = -23/8

-14  6/11 = - 160/11

35  1/4 = 141/4

4.

          -2           0                              5

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[ -2 ; 5]