So if x is initialized to "0" before we start, this is effectively the same thing as calculating y&z and storing the value in x.
因此如果在开始前我们就把x初始化成“0”，那么这就象计算 y & z并把值存到 x 里。
There are many interesting types of puzzles:"X and Y start with same assumptions but reach opposing conclusions.
有趣的谜语有很多，如：“甲和乙从同一个假设开始却得出了截然相反的结论，怎么回事？”
The other way to do it, if somehow you are missing the geometric trick, is to start from the x, y equation.
如果你不知道几何办法的话，还有另一种办法的，从x，y方程开始。
I mean, on the other hand, you could start with integrating with respect to y and then differentiate and match with respect to x.
另一方面，可以从对y积分开始,然后关于x求导，进行匹配。
So I'm looking at all points to satisfy 2 X minus Y equal 0. And I'm often... it's often good to start with which point on the horizontal line, on this horizontal line Y is 0.
找寻所有的点满足2X-Y=0.最好从横坐标上的点为起始，横坐标也就是Y=0。
Of course, start along the y-axis and then horizontally. That is the same level of difficulty.
当然先沿y轴,然后水平走，难度是相同的。
So, remember, when we did it first over z, we start by fixing a point, x and y, and for that value of x and y, we look at a small vertical slice and see from where to where we have to go.
要牢记，当我们对z积分时，首先固定一个点，看看它们的值，取一个垂直切片,并找出z的积分限。
Don't sugarcoat your comments, but you could start by saying something positive: "you've been doing really well with X and y, but I owe it to you to tell you my concerns about Z."
不要给你的观点包上糖衣，但是你能够通过说一些更积极的话语开始：“你在X和Y上做的非常好，但是我不得不告诉你，我关心的是Z。”
If the information is correct, please select (y) to save the configuration, and copy to the start-up configuration file.
如果信息正确，请选择(Y)保存配置，并将其备份到启动配置文件中。
If the information is correct, please select (y) to save the configuration, and copy to the start-up configuration file.
如果信息正确，请选择(Y)保存配置，并将其备份到启动配置文件中。
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