课时掌控九年级上数学答案人教版

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• 把这些纸鹤平均分给8个小朋友,每个小朋友分几个?我用了6张纸,每张纸折4个纸鹤.帮列式计算.

  1年前

• C6H6气体经过恒温恒压液化成C6H6液体,热力学能U的变化量为什么不等于0?

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• 1.Some are reading newspapers,____ others are playing chess

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• Student often say they have other more inportant things to d

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• 如下图,甲的面积为15,乙的面积为10,丙的面积为5,求丁的面积.

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精彩回答

• On __________ (平均), he works seven hours a day.

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• 分母是8的最简真分数有7个。 [ ]

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• 铬元素在元素周期表中信息如图所示，下列有关铬元素的说法错误的是（ ）

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• Long ago there was a boy was hungry for success.

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• Though he met a lot of difficulties he ______ had confidence in himself.

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