用戶【rainhou2089】點評問題和點評內容

【評論主題】7.若 x:y=7:2,且 3x-2y=34,求(x+1):(y+1)的比為何?(A)8:3 (B)7:2 (C)5:3 (D)3:1

【評論內容】先令x為7a y為2a則3x-2y=34★★★21☆-4☆=...

【評論主題】【題組】31.(A) will be lower than Fen(B) will look much like Fen(C) will have walls full of vegetables(D

【評論內容】依照後面意思:people can se☆ ☆☆☆ ...