1. 1 2/5 + 0,52 = 1 2/5 + 13/25 = 1 18/25
2. 4/7 - 0,4 = 4/7 - 2/5 = 6/35
3. 2,5 : 1 2/3 = 5/2 * 3/5 = 3/2 = 1 1/2
4. 1 1/15 + 1,15 = 1 1/15 + 1 3/20 = 2 13/60
5. 4 11/16 - 2,729 = 1 1917/2000
6. 1 2/7 * 3,5 = 4 1/2
202-Х=2575:25
202-Х=103
Х=202-103
Х=99
2575:(202-99)=25
25=25
135, 137, 139, 153, 157, 159, 173, 175, 179, 193, 195, 197 - 12
12*5 = 60.
Ответ: 60 чисел.