[問題] 粗心這道題怎麼解?
各位75級分30公分大大水水們蹦啾蹦啾
最近什麼都不怕
只怕粗心啊啊啊
從小粗心就是罩門
負號忘記 約分約錯2*3=5之類的
原本90變60
有沒有大大們有秘訣阿
求解沒有20點
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01/29 17:54, , 1F
01/29 17:54, 1F
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01/29 17:59, , 2F
01/29 17:59, 2F
噓
01/29 18:05, , 3F
01/29 18:05, 3F
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01/29 18:08, , 4F
01/29 18:08, 4F
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01/29 18:08, , 5F
01/29 18:08, 5F
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01/29 18:15, , 6F
01/29 18:15, 6F
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01/29 18:15, , 7F
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01/29 18:15, , 8F
01/29 18:15, 8F
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01/29 18:16, , 9F
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01/29 18:16, , 10F
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01/29 18:29, , 11F
01/29 18:29, 11F
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01/29 18:32, 12F
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01/29 21:19, , 13F
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01/29 21:19, , 14F
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01/29 21:20, , 15F
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01/30 11:19, , 16F
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01/30 11:19, , 17F
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01/30 11:42, , 18F
01/30 11:42, 18F
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01/30 16:40, , 19F
01/30 16:40, 19F
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01/30 19:51, , 20F
01/30 19:51, 20F