一個矩形游泳池8米寬,12米長.一條等寬的混凝土走道圍繞著它.如果游泳池和走道的總面積是320平方米,問走道多寬?
設(shè)走道寬x米,那末
(12+x) * (8+x) = 320
x=8
答:走道寬8米.
英語翻譯
英語翻譯
A rectangular pool is 8m wide and 12m long.A concrete walk of uniform width surrounds the pool.If the total area of the pool and the wald is 320 square meters,how many meters wide is the walk?(請先翻譯)
A rectangular pool is 8m wide and 12m long.A concrete walk of uniform width surrounds the pool.If the total area of the pool and the wald is 320 square meters,how many meters wide is the walk?(請先翻譯)
數(shù)學(xué)人氣:849 ℃時間:2020-09-07 07:01:28
優(yōu)質(zhì)解答
我來回答
類似推薦
猜你喜歡
- 19分之8×10分之3 還有3分之1×4分之1還有6×12分之11
- 2用exercise和dress的適當(dāng)形式填空 (請看問題補(bǔ)充)
- 3甲乙丙三位同學(xué)都喜歡集郵,甲有郵票18張,相當(dāng)于乙的3/4,丙的郵票張數(shù)跟乙的張數(shù)的比恰好是2:3
- 4Everyone is busy() ready for Christmas A.to get B.getting C.got D.gets
- 5函數(shù)不能嵌套定義是什么意思
- 6幫忙解答下《假如你想做一株臘梅》有關(guān)題目
- 7形容兩個人的感情幸福的四字成語
- 8某班7個興趣小組人數(shù)分別為3,3,4,x,5,6,已知這組數(shù)據(jù)的平均數(shù)是4,則這組數(shù)據(jù)的中位數(shù)是?
- 9東南亞的主要礦產(chǎn)和分布?
- 10根據(jù)所給的首字母提示,用合適的單詞填空,
- 11Could you tell me ___ with the money?A hou to do B what should I do C how should I do
- 12“小大之獄,雖不能察,必以情”與“忠之屬也”之間的內(nèi)在聯(lián)系是什么