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来源	题目内容
OG18-数学分册	If x and k are integers and $$({12}^{x})({4}^{2x+1})=({2}^{k})({3}^{2})$$, what is the value of k?
Ready4	If x is an integer and y = 3x + 2, which of the following CANNOT be a divisor of y?
Magoosh	What is the value of x?Statement #1: $$x^4$$ = 2,401Statement #2: $$x^5$$ = 16,807
	A sum of $200,000 from a certain estate was divided among a spouse and three children. How much of the estate did the youngest child receive?(1) The spouse received $$\frac{1}{4}$$ of the sum from the estate, and the oldest child received $$\frac{1}{4}$$ of the remainder.(2) Each of the two younger children received $12,500 more than the oldest child and $62,500 less than the spouse.
Ready4	On Wednesday, a restaurant sold a quantity of wine in 6 ounce servings, and on Thursday, it sold the same total quantity of wine in 4 ounce servings. If the price on Wednesday was $9.00 per glass, and the revenue on Thursday was $\frac{3}{4}$ that of the revenue on Wednesday, what was the price per glass of the wine on Thursday?
Ready4	If $n = 3\cdot <font color='#FE8080'>4</font>\cdot p$ , where $p$ is a prime number greater than 3, how many different positive non-prime divisors does $n$ have, excluding 1 and $n$ ?
Ready4	Is $w$ between $-<font color='#FE8080'>4</font>$ and $0$ on the number line? (1) $w$ is to the left of $1$ on the number line. (2) $w$ is negative.
Ready4	If $a$ and $b$ are positive integers, what is the remainder when $<font color='#FE8080'>4</font>^{(a+1+2b)}$ is divided by 10? (1) $a$ is odd (2) $b=3$
	Which of the following fractions has the greatest value?
PREP07 Test 2	For each country listed in the left column of the table, the number in the right column gives the number of units of Country X currency that is equivalent to 1 unit of the country's currency. Which of the following is equivalent to the greatest number of units of Country X currency?
Ready4	If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27. By how much do the two digits differ?
Ready4	The dots on the graph above indicate sale prices (in thousands of dollars) and living area (in square feet) of the most recent 25 home sales in a certain town. How many homes that sold for more than $600,000 had living areas that were less than 3,000 square feet?
Ready4	If $r$ is an integer and $s = (2r+1)^2$ , which of the following CANNOT be a divisor of $r$ ?
190603	The three heights of a triangle are M, H, and K. Is the perimeter of this triangle greater than 6? (1)M>2 (2)K+H>4
Ready4	Daniel takes twice as long to wash $x$ dishes than Peter takes to wash the same amount of dishes. At these rates, if Daniel and Peter together wash $\frac{5}{<font color='#FE8080'>4</font>}x$ dishes in 3 hours, how many hours would it take Daniel alone to wash $\frac{1}{2}x$ dishes?
	If x,y, and z are nonzero numbers, is xz = 12?(1)$${x}^{2}yz= 12xy$$(2)$$\frac{z}{4}=\frac{3}{x}$$
OG15 OG16 OG17 OG18	What is the cube root of w ?(1)The 5th root of w is 64.(2)The 15th root of w is 4.
	Is the range of the integers 6, 3, y, 4, 5, and x greater than 9?(1) y>3x(2) y > x > 3
	If x and y are integers and x< y, what is the value of x + y?(1)$$x^{Y}=4$$(2) \|x\| = \|y\|
PREP07 Test 2	If $$x + y \neq0$$, what is the value of $$(ax+ay)\over(x+y)$$?(1) x = 4 and y = 5.(2) a = 6