Question

15,3*5,4-4,23(512-4,912)+160

Answer 1

.................     ......................

Answer 2

как вы решили первое действие?

Answer 3

15,3•5,4-4,23(512-4,912)+160=82,62-4,23•507,088+160=242,62-2144,98224= -1902,36224.