∵|a－b|≥0且|b+3|≥0且(c+2)²≥0∴a－b=0且b+3=0且c+2=0解得：a=b，b=-3，c=-2∴[(a+c)^2023]²+b²=[(-3-2)^2023]² + (-3)²=(-5)^4046 + 9=5^4046 + 9
