close
(4.5y*1.33)+(1.5y*1.66)=708，求y
(4.5y*1.33)+(1.5y*1.66)=708，求y*為乘的意思，請列出計算公式，謝謝~
(4.5*1.33+1.5*1.66) y = 708 (5.985+2.49) y = 708 y = 708/ 8.475 = 83.5398
(4.5y*1.33)+(1.5y*1.66)=708==>1.5y(3*1.33+1.66)=708==>8.475y=708==>y=9440/113
以上文章來自奇摩知識家，如有侵犯請留言告知
https://tw.answers.yahoo.com/question/index?qid=20120309000010KK02415