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题目内容
Machine A and machine B, working simultaneously and independently at their respective constant rates, processed $$\frac{3}{4}$$ of the shipment of a certain product in 4.5 hours. Then machine A, working alone at its constant rate, processed the rest of the shipment in 6 hours. How many hours would it have taken machine B, working alone at its constant rate, to process the entire shipment of the product?
How many distinct solutions does the equation $$|1-|x-215||=1$$ have?
Each copy of Magazine X is sold either at the cover price of $3.25 per copy or at the subscription price of $1.75 per copy. The average (arithmetic mean) price of the copies of Magazine X that were sold last month was $2.25 per copy.

Quantity A

The number of copies of Magazine X that were sold last month at the subscription price

Quantity B

Twice the number of copies of Magazine X that were sold last month at the cover price


In quadrilateral ABCD shown, what is the value of x?

Give your answer to the nearest 0.1.
What is the greatest prime divisor of $$3^{100}$$- $$3^{97}$$?
Which of the following is the graph of $$|x-5| \leq 2$$?
When the integer n is divided by 33, the remainder is 24. Which of the following must be a divisor of n?
$$\frac{51!-50!}{50!-49!}$$=
Of the people surveyed about the effectiveness of various treatments for insomnia, 65 percent reported that prescription drugs were effective and 48 percent reported that exercise was effective. If 22 percent of those surveyed reported that prescription drugs were effective but did not report that exercise was effective,what percent of those surveyed reported that exercise was effective but did not report that prescription drugs were effective?
维度一：数学常识

2023.9.22改革后GRE考试数学Quant两个Section的题目数量和完成时间分别为？
GRE数学不定项选择题（标志词Indicate all such...）的正确答案可能选几个？
维度二：数学术语

GRE数学题中“perpendicular”是什么意思？
GRE数学题中“percentile”是什么意思？
维度三：数学表述

当题目问“What percent of A is B?”时，正确的计算公式应该是？

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