已知abc為三角形ABC的三邊的長,且滿足a^2+b^2+c^2=ab+bc+ac,則ABC的形狀是等邊三角形
已知abc為三角形ABC的三邊的長,且滿足a^2+b^2+c^2=ab+bc+ac,則ABC的形狀是等邊三角形 |
已知不等式x∧2+(1-m)x+1＞0對任意的x∈(-1,+∞)都成立，則m可以在{-1}U(3,+∞)中隨便取值。隨便取值！
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嗯打得不錯謝謝你抱歉我選擇死亡！嗯打得不錯謝謝你抱歉我選擇死亡！
嗯打得不錯謝謝你抱歉我選擇死亡！ 嗯打得不錯謝謝你抱歉我選擇死亡！ 嗯打得不錯謝謝你抱歉我選擇死亡！ 嗯打得不錯謝謝你抱歉我選擇死亡！...
Joey·Cooper
7-26
Joey·Cooper
(點擊/回復: 420/0)
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百度貼吧越來越商業化他應該去割老二！
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She remains working.I remain practising English.
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For what reasons do you study English?For what reasons don't you learn French?
巨大八爪鱼
7-26
JosephHeinrich
(點擊/回復: 359/1)
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How many stones have fallen?How many stones had fallen before the plane landed?
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Why does he become the admin?Because he wants to remove some posts.
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Did she jump down the building?Where did she jump down the building?
For what reasons did she jump down the building? What di... |
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What language do people there speak?They speak English.
Hello
巨大八爪鱼
7-26
JosephHeinrich
(點擊/回復: 404/1)
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Why do you like Australia?Because the animals there are very cute.
巨大八爪鱼
7-26
JosephHeinrich
(點擊/回復: 374/1)
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He must be very angry now. |
Why didn't she eat ice-cream?She wanted to. But she had no money.
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