According to the meaning of the question
The sum of absolute value and complete square is nonnegative.
therefore
a- 1=0
a= 1
b+2=0
b=-2
a+c-b=0
c=-3
Answer? +b？ +c？ = 1+4+9= 14
The college entrance examination in Tianjin in 2023 is a 3+3 model, regardless of arts and sciences. Among them, Chinese, mat