Question

若x<2化简根号下(x-2)²+4-x的绝对值等于多少

若x<2化简√(x-2)²+4-x的绝对值的正确结果

Answer 1

根号下(x-2)²+|4-x|
=|x-2|+|4-x|
=2-x+4-x
=6-2x