,甲商场比乙商场多售出多少台?
B . 21
C . 20
D .
,那么传统水稻每公顷产量大约是多少吨?
下面是摄影师为正在比赛的跳高运动员拍摄的三幅照片。
滋养 补养 抚养 培养
①老师们呕心沥血为祖国了大批人才。
②长江黄河之水了一又一代中华儿女。
③我们的健康成长,多亏了父母的精心?
④他刚刚动过手术,身体需要好好。
,是小圆面积的
。如果阴影部分的面积是15平方厘米,求这幅图的总面积。

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America active on foot drawing read books Hello! I'm Linda. I'm from America. I am active. I often go to school on foot. I like . Winter holiday is coming, I'm going to every day. |
| the UK shy by bus go cycling play football Hello! I'm Leo. I'm from . I am . I often go to school by bus. I like going cycling. On winter holiday, I'm going to with my friends. |
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Hello! I'm from China, I am . I often go to school . I like . On winter holiday, I am going to . |
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C . 25
D . 2
生产时间一定,生产效率和总产量成正比例.

x=( )
用10以内的四个不同自然数组成比例,想想能写几个?