fhsdjk*&……数学题目456

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• 解方程 2根号3x=根号2（x²+1）

  1年前

• 一道简单数学题(有追加)已知三角形的三边长A,B,C满足A-3B+2C=0,B-3C+2A=0,C-3A+2B=0,则该

  1年前

• 高中英语（模块四第三单元）里有几个短语不会写

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• 0.000001的3次方=0.01,0.001的3次方=0.1,1的3次方=1,1000的3次方=10,1000000的

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• 求证下列三角恒等式：（1）2sin(π+θ)•cosθ−11−2sin2θ＝tan(9 π+θ)−1tan(π

  1年前

精彩回答

• 做一做．用空白的圆形做转盘，请你按要求涂色，使指针停在黄色区域的可能性是蓝色区域的2倍

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• ---How do you think I can make up with Tony ? ---Put aside ______you disagree and try to find ______you have in common.

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• Angry Birds is a video game developed by Finnish computer game developer Rovio Mohile. Inspired primarily by a sketch of stylized wingless birds, the game was first released for Apple’s mobile operating system in December 2009.

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• Sixteen years ago a boy gave me an important gift. It was a smile.

  1年前

• 某大学历史系毕业生准备撰写一篇有关北宋时期科学发展的毕业论文，他们最应该参考的著作是 [ ]

  1年前