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来源	题目内容
OG18 OG19 OG20 OG2022	Which of the following is greatest?
OG18-数学分册	In a field day at school, each child who competed in n events and scored a total of p points was given an overall score of $$\frac{p}{n} + n. $$Andrew competed in 1 event and scored 9 points. Jason competed in 3 events and scored 5,6, and 7 points, respectively . What was the ratio of Andrew's overall score to Jason's overall score?
OG19-数学分册	In a field day at a school, each child who competed in n events and scored a total of p points was given an overall score of $$\frac{p}{n}+ n$$ . Andrew competed in 1 event and scored 9 points. Jason competed in 3 events and scored 5, 6, and 7 points, respectively. What was the ratio of Andrew's overall score to Jason's overall score?
Ready4	The value of an investment decreased from $1,800 to $1,610. Approximately what was the percent decrease in value?
Ready4	A foot race had 36 teams of a dozen runners each. By noon, $\frac{4}{9}$ of the teams had finished the race, and 70 percent of the remaining teams finished the race by one o' clock. How many teams had not finished the race by one o' clock?
Ready4	A school currently maintains a fixed number of students per class. If the ratio of students per class were to be increased by 1, 10 fewer classes would be run for a total of 120 students. What is the current ratio of students per class?
Ready4	If there are 6 more girls than boys in a room, and there are 14 boys and girls in the room, how many are girls?
190207	$$\frac{2^{16}*5^{6}}{8^{3}}$$=?
190310	The area of a regular hexagon is $$72 \sqrt{3}$$. What is the length of each side of the regular hexagon?
190310	Which of the following lines only passes through only one point whose abscissa and ordinate are integers?
190302	$$2^{x}$$=$$4^{a}$$.What is the relationship between a and x?
	p is an integer; n is an integer; and $$\frac p n$$ is an integer. Is $$\frac p n$$ odd?(1)p is divisible by 4.(2)n is divisible by 4.
OG12 OG15	In the figure above, V represents an observation point at one end of a pool. From V, an object that is actually located on the bottom of the pool at point R appears to be at point S. If VR = 10 feet, what is the distance RS, in feet, between the actual position and the perceived position of the object？
190302	$$x^{2}$$+$$y^{2}$$+$$z^{2}$$=16,xy+yz+xz=8,x,y,z > 0 .x+y+z=?
190302	$$t^{3}$$=3. $$t^{2}$$=?
	$$x^{6}-y^{6}$$=
	Which of the following is equal to $${5}^{17}\times{4}^{9}$$?
Manhattan	If$$ [[x]] = x^{2} + 2x + 4$$, what is the value of [[3]]?
OG19-数学分册	$$left\| -4 right\| (left\| -20 right\| - left\| 5 right\|)$$ =
	$$90-8(\frac{20}{4})\over\frac{1}{2}$$