Question

Как решить
|а+b|-|a-b|-0,4|c|+27ab​

Answer 1

a) |а|+|b|=3+7=10 |a+b|= |-3-7|=10

a = -3 b=-7

b) |а|+|b|=4+10=14 |a+b|=|10-4|=6

c) |а|+|b|= 8+27=35 |a+b|=|8-27|=1