A.數(shù)據(jù)統(tǒng)計(jì)法B.典型工程法C.匯總計(jì)算法D.加權(quán)平均法
A.社會(huì)先進(jìn)水平B.簡(jiǎn)明適用C.社會(huì)平均水平D.經(jīng)濟(jì)合理
A.④-⑤-①-②-③B.⑤-①-④-②-③C.⑤-②-①-④-③D.⑤-①-②-③-④