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来源	题目内容
Ready4	<p>Does $a=b$ ?p> <p>(1) $a^5-b^5=0$ p> <p>(2) $a^2+b^2=0$ p>
Ready4	<p>In the figure above, what is the value of x + y?p> <p>(1) x = 70p> <p>(2) $\Delta ABC$ and $\Delta ADC$ are both isosceles triangles.p>
Ready4	<p>Invented for use in short wavelength radar during WWII, the cavity magnetron, which was able to produce electromagnetic waves at a lower frequency than had previously been possible, was the basis for the development of the common microwave oven.p>
Ready4	<p>The crucial difference between the capabilities of a consistent market winner with those of other companies may be not in any knowledge area but in the ability to develop new areas of expertise as the market evolves.p>
Ready4	<p>If n is positive, what is the value of n?p> <p>(1) $n^2-n-6=0$ p> <p>(2) $n^2=9$ p>
Ready4	<p>If xyz ≠ 0, is x^⁹y^⁴z^⁵ > 0?p> <p>(1) yz < 0p> <p>(2) xz > 0p>
Ready4	<p>If $z$ is an integer, and $z=xy$ , is $z$ even?p> <p>(1) $x$ and $y$ are both integersp> <p>(2) $y$ is oddp>
Ready4	<p>If $x$ is an integer, is $\frac{49}{x}$ an integer?p> <p>(1) $x$ is an odd numberp> <p>(2) $10 < x < 20$ p>
	Is p > q?1. $${p}^{3} >{q}^{3}$$2. $${p}-{q} >{0}$$
Ready4	<p>If $n$ and $m$ are positive integers, is the product $nm$ odd?p> <p>p> <p>(1) $n+m$ is not even.p> <p>(2) $n$ is not odd.p>
Ready4	<p>What is the value of $12x^2+18y^2$ ?p> <p>(1) $x=3y$ p> <p>(2) $3y^2+2x^2=14$ p>
Ready4	<p>If the set $M$ consists of five consecutive positive integers, what is the sum of these five integers?p> <p>p> <p>(1) The integer 10 is in $M$ , but 9 is not in $M$ .p> <p>(2) The sum of the odd integers in $M$ is 24.p>
Ready4	<p zoompage-fontsize="16">Originally from India, when the small Asian mongoose was brought to the islands of Maui, Moloka’i, and O’ahu in an attempt to manage the rats in sugarcane fields in the late nineteenth century it proved especially disastrous for the islands’ native species, likely because of being an opportunistic predator, preying on a variety of small mammals, reptiles, birds, insects, fruits, and plants.p>
Ready4	<p>If p and q are positive integers, can the fraction $\frac{p}{q}$ be expressed as a decimal with only a finite number of nonzero digits? p><p> q is a factor of 12. p is a factor of 12. p>
PREP07 Test 1	If p is a positive integer, what is the value of p ?(1) p/4 is a prime number.(2) p is divisible by 3.
Ready4	<p>If x is a two-digit integer, and a is the tens digit and b is the units digit, what is x?p> <p>(1) a + b = 10p> <p>(2) a − b = 8p>
Ready4	<p>The rectangular rug shown in the figure above has an accent border. What is the area of the portion of the rug that excludes the border?p> <p>I. The perimeter of the rug is 44 feet.p> <p>II. The width of the border on all sides is 1 foot.p>
Ready4	<p>If 50 percent of people surveyed have at least one brother, what percent have at least one sister?p> <p>(1) 40 percent of people surveyed who have at least one brother also have at least one sister.p> <p>(2) 15 percent of people surveyed have no brother or sister.p>
Ready4	If $<font color='#FE8080'>P</font>$ and $Q$ are sets of integers, $<font color='#FE8080'>P</font> \Delta Q$ denotes the set of integers that belong to set $<font color='#FE8080'>P</font>$ or set $Q$ , but not both. If $<font color='#FE8080'>P</font>$ consists of 15 integers, $Q$ consists of 8 integers, and 4 integers are in both $<font color='#FE8080'>P</font>$ and $Q$ , then $<font color='#FE8080'>P</font> \Delta Q$ consists of how many integers?
190310	p,s are different integers. How many factors does $$ps^2$$ have? 1: p,s are prime numbers. 2: p,s are odd.