答案:a相关推荐 1Ⅱ.语法填空(2020·河北省外国语学院高二月考)This is a real story of a team of high school inventors.One team member observed that his town didn't have curb cuts(斜面坡道)to allow smooth access between streets andsidewalks. That bothered him because his sister uses a...
If a is a real number, then the real part of 4+i5a+i−i6 is( ).若a为一实数,则4+i5a+i−
Ask a question Search AnswersLearn more about this topic: Real Number | Definition, Types & Examples from Chapter 5 / Lesson 8 334K What are real numbers? Learn about the different types of real numbers that occur in mathematics as well as how to identify them. In this lesson, you ...
Is This the End of the USB-A Cable? (For Real, This Time) Neil C. Hughes 4 months Hardware AMD vs. Nvidia GPUs: Who Makes the Best Graphics Cards in 2025? Mark De Wolf 8 months Hardware Cat1 to Cat8 Ethernet Cable Types: All You Need to Know in 2025 Marshall Gunnell ...
which include a component multiplied byi, the square root of -1. Some real numbers can be difficult to use in computers, which must represent long or nonterminating numbers in a finite number of bits. As a result, some real numbers may be approximated, or rounded, to create a finite, ...
used after a number to show that the real number or amount is more thanthe one mentioned 相关知识点: 试题来源: 解析 plus 根据题目要求,需要找到形容词用于数字后表示实际数目超过所提数值。英语中“plus”符合这一用法,如“50-plus attendees”指实际人数超过50。常见选项中“over”通常作介词,“odd”表...
ea alone. This is a large number of deaths(死亡). These accidents is that birds can't see glass. They think the sky or the tree in a window is real, so they just fly not able to see glass either. But it's obvious that we nowhere. Birds have no idea about that. They difference...
___ is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals. [A] A. That B. It C. This D. As 当先行词是time(次数)时,引导定语从句通常用关系代词that或省去,但是此时that在从句中不作任何句子成分;当先行词是way时,引导定语从句通常...
1. Given that k is a real number and that1+kk A =find the exact values of k for which A is a singular matrix. Give your answers in their simplest form.(3) 相关知识点: 试题来源: 解析 0 A=(1-k)(1+k)-k^2=0 1-k+k-k^2-k^2(=0) 1-2k^2(=0) S_0K=(±√2)/2 S...
根据This is What a REAL Silver Dollar Looks Like(这就是真正的银币的样子)下列段落中“But millions have found a smarter way to build long-term value with high-grade collectable silver. And right now, those people are lining up to secure some of the last 2017 U.S. Mint Silver Eagles, ...