英语翻译a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame 不要把文字放在百度

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英语翻译a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame 不要把文字放在百度
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英语翻译a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame 不要把文字放在百度
英语翻译
a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame
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英语翻译a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame 不要把文字放在百度
一副矩形肖像,边长分别是50cm和70cm,装在一个四边等宽的矩形相框内.假如相框的面积跟肖像的面积相等,那么相框大概宽度是多少?

将一幅尺寸为50cm×70cm的画装在画框里。假设画框的宽度处处相等,且画框面积与画的面积相等,求画框宽度。

这是个基本的二元一次方程题目。假设画框宽度为x cm,于是
4x² + 2·50x + 2·70x = 50×70
解得x = 1.4245 cm

rectangular right rectangular RECTANGULAR COAL 英语翻译a rectangular portrait measures 50cm by 70cm.it is surrounded by a rectangular frame of uniform width.if the area of the frame is the same as the area of the portrait ,what is the approximate width of the frame 不要把文字放在百度 po po 外贸英语中a.m.PO. 英语翻译The diagonal of the floor of a rectangular closet is 15/2feet.The shorter sider of the closet is 17/4feet.what's the area of the closet in square feet? 英语翻译John measures the size of a rectangular comouter monitor.He find that the length is 35.2cm and the breadth is 4.7cm shorter than its length.What is the area of the computer monitor? 英语翻译In the case the inverter operation as a voltage source,the output voltage is of rectangular form and output current waveform can be forced sine independently on the load character by means of pulse-width voltage modulation. A rectangular,100 meters long and 50 meters wide is it what is the area a rectangular game board is composed of identical squares arranged in a rectangular array of r rowsa:r^2-rb:r^2-1c:r^2d:r^2+1e:r^2+ra rectangular game board is composed of identical squares arranged in a rectangular array of r rows and r+1columns.t 英语翻译NTHYK TAI PO DIST SEC SCHTAI YUEN ESTATE,TAI PO,NT 翻译Rectangular Hollow Section rectangular container是什么意思 英语翻译to measure the thickness of the float glass ribbon parallel as well as rectangular to the stress of the float glass ribbon rectangular to the drawing direction(down and cross profile) 英语翻译A rectangular pen with a divider is made with 120 ft of fencing.The divider partitions the pen into two equal-sized areas.What is the maximum area of the two pens combined?a) 1200 ft2 b) 900 ft2 c) 600 ft2 d) 400 ft2 e) 150 ft2 看不懂. 英语翻译Using a sheet of paper and scissors,you can cut out two faces to form a cylinder in the following way:Cut the paper horizontally (parallel to the shorter side) to get two rectangular parts.From the first part,cut out a circle of maximum r