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旧 Mar 5th, 2008, 14:45     #1
随风飘飘
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作者: Blue Rose 查看帖子
一个梯形长方体

口:16-15/16"x 5-11/16"
底:16-7/16“x 5-1/4"
高:5-1/4“

请问4面墙+底的面积。

我知道这是个超级容易的问题。但是我现在找不到人核对我的运算结果。

谢谢!

4面墙+底的面积=28.74X2+87.69X2+86.3=319.16 SQUARE INCHES
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旧 Mar 5th, 2008, 14:51     #2
随风飘飘
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作者: Blue Rose 查看帖子
多谢! 跟我一样。

同事说我的算得不对。

这里面牵扯到几十万的订单。 再次感谢!
我用计算机算的,因该很准确。
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旧 Mar 5th, 2008, 14:53     #3
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作者: 风雪 查看帖子
口:16-15/16"x 5-11/16"=16.9375x5.6875
底:16-7/16“x 5-1/4"=16.4375x5.25
高:5-1/4“=5.25

(16.9375+16.4375)*5.25/2*2+(5.6875+5.25)*5.25/2...

不大对吧!
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旧 Mar 5th, 2008, 14:56     #4
随风飘飘
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作者: Blue Rose 查看帖子
感谢各位!

我同事惨了。
你请客吧
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旧 Mar 5th, 2008, 14:58     #5
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作者: 风雪 查看帖子
那里错了吗?
侧面梯形的高度应大于梯形体高度5.25“
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旧 Mar 5th, 2008, 15:00     #6
随风飘飘
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作者: 烈日之巅 查看帖子
你又是做什么吃饭的?这么厉害... ...
做设计的。天天和数字打交道。
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旧 Mar 5th, 2008, 15:08     #7
随风飘飘
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作者: 烈日之巅 查看帖子
我也是,可我接触的最大数字是1,所以我不会,还是你厉害,以后常来玩啊。
你搞那些0呀,1 呀 的 程序。 太高深了。

有空我会到这儿逛一逛。
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旧 Mar 5th, 2008, 15:14     #8
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作者: Blue Rose 查看帖子
姐姐,咱就得用垂直高度,不是斜边高度。
那样算出来误差太大,应该不对。
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旧 Mar 5th, 2008, 15:24     #9
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作者: 烈日之巅 查看帖子
惭愧,惭愧,最大只能数到1... ...

此贴之后,你来的第一个主题帖子,我给你加精,够兄弟吧?
谢谢你。

大家图个互相帮助,特别是出门在外的华人们更因该如此。尽量不要互相拆台,互相残杀,这是我的初衷和出发点。
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旧 Mar 5th, 2008, 15:26     #10
随风飘飘
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作者: 风雪 查看帖子
几何俺没得过100以下的分数.
我们在学校时,最高分是100分,看来不是同年代的。
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旧 Mar 5th, 2008, 15:27     #11
随风飘飘
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作者: 风雪 查看帖子
那就调整为精确计算

:

口:16-15/16"x 5-11/16"=16.9375x5.6875
底:16-7/16“x 5-1/4"=16.4375x5.25
高:5-1/4“=5.25

(16.9375+16.4375)*5.254555315...

good job
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旧 Mar 5th, 2008, 15:34     #12
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作者: 风雪 查看帖子
因为二锅头是60度.三位共180度.
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旧 Mar 5th, 2008, 15:42     #13
随风飘飘
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作者: jasmine1101 查看帖子
算体积用垂直高吧。算侧面的面积,要用侧面那个梯形的高。

you are right. I agree with you.
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旧 Mar 5th, 2008, 15:49     #14
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作者: 烈日之巅 查看帖子
可我有时候血腥了点,就喜欢咔嚓... ...
那就当喝醉了,不能控制好自己的情绪吧,情有可原。
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旧 Mar 5th, 2008, 15:57     #15
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作者: Blue Rose 查看帖子
不就是算4个梯形的面积加上底面积? 梯形的面积公式:上底+下底x高(垂直)/ 2

你们是不是跟圆台的侧面积弄混了?
梯形的高一定是在梯形两条平行边的垂直距离,并且要在这两根平行线的同一平面内。
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旧 Mar 5th, 2008, 16:27     #16
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作者: sunchem 查看帖子
两对侧面梯形的高是不一样的,当然是柱形体的高.
想的仔细,表扬一个。
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旧 Mar 5th, 2008, 16:33     #17
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作者: Blue Rose 查看帖子
我同事把单子完全做错了。算出200多。
我虽然算的不精确,但是比总公司还是精确一些。他们干脆省略了梯形,当成长方形算的。

一个比一个懒。
那你们公司的利润可能比较丰厚,少算这么多的量还有钱赚。是不是暴利。
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旧 Mar 5th, 2008, 16:56     #18
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作者: smellyfish 查看帖子
眼都看晕了还是没明白lz说的梯形长方体具体是啥样的,直角?上下面错位程度和位置虽不会影响体积,但侧面积应该是不定数吧?!

以上文本借助www.InputKing.com在线中文输入法输入
我也想过,但我是按很特殊的情况算得(上下面平行,是长方形,这个梯形体相对中心平面是对称)。若不是的话,那就要看实体,或懂工程或测量的人去具体测绘,才知道。
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