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时间:2017-01-13 13:55
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英语学霸软件
学霸帮帮忙o>_
骑兵101_嶉涯
30分钟所走的路程(总共60分钟,30分钟就是一半,整个圆周长除以2即可)是:40*2*3.14/2=125.6厘米,60分钟扫过的面积是:40*40*3.14=5024平方厘米如果能帮到您,给个好评吧,
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宣哥无限叼2061
第二个,care
since,care,ill
一、1、Sam
Sincecareilldevelopeunfairmore careful... fewer / more careful... lesserdoing / to doindependentbeing fairthemselves
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1,No,there isn't.2,They are jumping.3,under the tree4,no,there aren't.5,yes,i can.she is playing volleyball.
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