問(wèn)題已解決
老師,我這個(gè)題目這樣做會(huì)不會(huì)錯(cuò),



同學(xué)你好!
第二步因素分析法已經(jīng)做錯(cuò)了呢,每次替代一個(gè)因素后,下一步要用替代后的因素,比如第一步是(220-200)*18*30
第二步要用220*(18-20)*30
2021 07/26 08:15

四季老師 

2021 07/26 08:25
然后第三步用220*18*(30-25)
這個(gè)題目有疑問(wèn)的可以繼續(xù)問(wèn)哈

84785040 

2021 07/26 08:35
好的,謝謝

四季老師 

2021 07/26 08:40
不客氣哦,滿意請(qǐng)給好評(píng)哦!謝謝你!
