标注i=1/12表示坡度，是百分比坡度表示法，是表示坡度最为常用的方法，是两点的高程差与其水平距离的百分比，计算公式是：坡度i ＝ (高程差/水平距离)x100%

2008年2月29日 · 1~12分别为罗马数字Ⅰ，Ⅱ，Ⅲ，Ⅳ（IIII），Ⅴ，Ⅵ，Ⅶ，Ⅷ，Ⅸ，Ⅹ，Ⅺ，Ⅻ。 罗马数字是欧洲在阿拉伯数字（实际上是印度数字）传入之前使用的一种数码，现在应用较少。

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2020年3月21日 · I am learning de Moivre’s theorem, which states that (cos θ + i θ + i sin θ)n = θ) n = cos nθ + i n θ + i sin nθ n θ In my book, there is this question: (1 + i)12 (1 + i) 12 And the …

Divide by the norm of 1+i and apply De Moivre's theorem to find that (1+i)20 = −1024 Explanation: De Moivre's formula, which can be ... \left. \begin {cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end {cases} \right. Solve your math problems using our free math solver with step-by-step solutions.

2020年9月14日 · The answer for the first one is 1 and the second answer is 12i. Step-by-step explanation: Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer.

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i＝1：12 是什么意思，怎么求这个坡道和高度--来自广联达服务新干线答疑解惑，百万建筑问题，免费提问，专家极速解答

Enter a problem... Simplify each term. Tap for more steps... Add 1 1 and 1 1. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

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