Ответ:
(7-15+3:10)*2=-15,4
14:23+1=1,60869565217
6:57:(30:57-3:19)=0,28571428571
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Ответ:
(7-15+3:10)*2=-15,4
14:23+1=1,60869565217
6:57:(30:57-3:19)=0,28571428571
2) 30/57 - 3/19 = 10/19 - 3/19 = 7/19
3) 1 6/57 : 7/19 = 63/57 * 19/7 = 9/3 = 3
4) -77/10 * 2 14/23 = -77/10 * 60/23 = - 462/23
5) -462/23 + 3 = -393/23 = -17 2/23
Ответ: -393/23 (или же -17 2/23, одно и тоже)