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Clearnote
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Junior High
Mathematics
配方法
Mathematics
Junior High
over 1 yearago
Xuan
配方法
【阿信去文具行買作業簿,他買的作業簿數量恰好比作業簿的單價多1,已知 阿信付 60元找回4元,則作業簿每本多少元? 設作業簿每本X元,數量x+1 A(x+1)+4=60 課P182 例1 77+7-56=0 (不) A = Mπ =) (x+8) (x-1)=0 =) x=-80+ X = 1 2 有三個連續正奇數,最大數的平方比另兩數的平方和還要小65,則此三數中的最 大數為多少? 設最大數為x 課 P183 例 2 6 右圖是安琪為園遊會設計的平面圖,長方形場地的長為 30公尺、寬為25公尺,有2條等寬且互相垂直的道路。 0 30
Answers
番茄
over 1 yearago
不知道叫什麼法:)
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