Ответ:
-3,6 = -36/10 = -18/5
-0,25 = -25/100 = -1/4
1 4/21 = 25/21
-5 7/15 = -(5*15 + 7)/15 = -82/15
0,4 = 4/10 = 2/5
5 = 5/1
4,2 = 42/10 = 21/5
8,7 = 87/10
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Ответ:
-3,6 = -36/10 = -18/5
-0,25 = -25/100 = -1/4
1 4/21 = 25/21
-5 7/15 = -(5*15 + 7)/15 = -82/15
0,4 = 4/10 = 2/5
5 = 5/1
4,2 = 42/10 = 21/5
8,7 = 87/10