[問題] 國中數學求救.....

看板juniorhigh作者be52879 (自閉兒小王子)時間12年前 (2012/07/29 18:05)推噓4(4推 0噓 5→)

留言9則, 4人參與討論串1/1

剛剛忽然寫到這個題目若三個整數abc的最小公倍數為720,且20a-7b-6c=0 8a+6b-9c=0 ,求a+2b-3c=? 想了一下想不太出來有沒有高手願意幫解一下第一次PO文~若有違板規~還請告知 -- We all have our time machines. Some take us back, they're called memories. Some take us forward, they're called dreams. (Ubor-Morlock) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.24.86.118

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xx5236294roy

07/29 18:16, , 1^F

07/29 18:16, 1^F

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xx5236294roy

07/29 18:18, , 2^F

07/29 18:18, 2^F

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xx5236294roy

07/29 18:19, , 3^F

07/29 18:19, 3^F