Ответ:
- 5.9
Пошаговое объяснение:
1) 2 7/16 : 1 7/8 = 39/16 : 15/8 = 39*8/16*15 = 39/30 = 13/10 = 1,3
2) 5 7/9 *2 1/13= 52*27/9*13 = 4*3 /1 = 12
3) 1.3 - 12 = -10,7
4) -10.7 +4 4/5 = -107/10 + 24/5 = -107/10 + 48/10 = -59/10 = -5.9
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Answers & Comments
Ответ:
- 5.9
Пошаговое объяснение:
1) 2 7/16 : 1 7/8 = 39/16 : 15/8 = 39*8/16*15 = 39/30 = 13/10 = 1,3
2) 5 7/9 *2 1/13= 52*27/9*13 = 4*3 /1 = 12
3) 1.3 - 12 = -10,7
4) -10.7 +4 4/5 = -107/10 + 24/5 = -107/10 + 48/10 = -59/10 = -5.9