生活中有哪些利用平行四边形的例子

你能帮帮他们吗

• 一个弹簧原长15厘米,它所挂的不能超过18厘米,并且每挂弹簧1厘米弹簧就伸长0.5厘米.

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• He's interested read 改错

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• her family will have a party on the evening of april 24th

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• 数学高一必修一对数函数题已知f(x)=log1/2[a^2x-3(ab)^x+2b^2x+1],其中1+lgb=lga,

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• 英文对话Job HuntingA, a computer major, needs help in landing a

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精彩回答

• 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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• If he ___________ on time, we will go without him.

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• 英语的造5种时态的句子,每一个时态2句,一共10句

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• 吾尝终日而思矣的而翻译

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• 二重积分问题，希望大神可以帮帮忙

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