单词:ST_mathematics-and-arithmetic_geometrical-shapes
单词:ST_mathematics-and-arithmetic_geometrical-shapes 相关文章
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JUDY WOODRUFF: Now a look at how required math classes may factor into the academic success or failure of high school and college students. Hari Sreenivasan has the story as part of our weekly education series, Making the Grade. ANDREW HACKER, Author
[06:12.00]Lesson 9 In All Colours and Shapes [au:]第9课 所有的颜色和形状 [06:16.02]Let's talk. [au:]大家一起谈一谈。 [06:17.07]Can I help you, little girl? [au:]我能你做点什么,小女孩? [06:19.07]Oh, yes. [au:]哦,是的
When I was a kid I was top of the class in maths. I was really good at mental arithmetic and doing sums. Things were easy back then, It was all addition and subtraction, multiplication and division. I knew my times tables like the back of my hand. Th
How Full Is That Glass? 杯有多满? How does the shape of a glass affect how much you drink? A scientist set out to examine just this, and the results are rather astounding . Whatever the age of the subjects, they consistently poured more juice i