191020
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(0.00048 * 10 ^ x) / 1920000 is less than 2 * 10 ^ 5. x is a positive integer. What is the maximum value of x?
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191020
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$$2^n = 2^x + 2^x + 2^x + 2^x $$, what`s the value of x in terms of n?
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191020
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p,q are both integers, what is the value of p-q/p+q?
(1). p/q = 11/9
(2). p^2-q^2/(p-q)^2 = 10
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191020
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When m and n are divided by 7, the remainders are both 3, so what is the remainder when mn is divided by 7?
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191020
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|x-2|=2x-10,what is the possible value of x?
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191020
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There are n books, of which 40 are science fiction, the rest are non-science fiction, 50 are hardcover, the rest are not hardcover, 30 are hardcover science fiction, what is the minimum value of n?
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191020
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There are three numbers. Is the smallest number less than 12000?
(1). the average of the three numbers is 18000
(2). the median is 2000 above the average
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191020
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The long sides of two identical right triangles are put together to form a quadrilateral with an angle of 60 degrees.The shortest side of the right triangle is 3 and what is the area of the quadrilateral?
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191020
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A person's sales volume is within 10 orders, his salary is 300 yuan; sales volume is 10-20 orders, his salary is 200 + sales volume*10; sales volume is greater than or equal to 20 orders, his salary is 300 + sales Volume*20. How much did he sell last month?
(1). This person's salary this month is 10 yuan more than last month
(2). This person has 2 more orders this month than last month
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191020
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1357911131517192123 .... What is the 110th number?
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191020
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As shown in the figure, there is a container with an isosceles triangle on the side,the bottom side of the isosceles triangle is 5 meters long, there is water in it, the water is 3 meters wide, and the container is 3 meters high. What is the value of h?
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191020
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f(x)=1-x,-f(-f(-x))=?
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191020
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Is x^y>1?
(1). x>1
(2). y<1
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191020
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One orange, two apples, and three bananas are $3.50 in total. How much is one banana?
(1). 1 apple = 2 oranges + $0.25
(2). 5 oranges + 3 bananas = $3
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191020
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The portion of taxable income no more than 10,000 is charged 10%, the portion of (10000, 20000] is charged 15%, and the portion of more than 20,000 is charged 21%. What is the taxable income this month?
(1). The taxes is 9,000 this month
(2). This month's average tax rate is 18%
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191020
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Given x = 3-√2, which of the following equations has a value of 0 when k is an integer?
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191020
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There are two groups of P1 P2 P3 P4 P5 and A1 A2 A3 A4 A5, which are 5 masters and 5 apprentices one-to-one matching, how many matching methods are there?
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191020
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There are 25 legislators, of which n people form a group. Each of these n people sends a report to the rest of the non-team members. These non-team members will write a letter to reply to each report. How many reports and letters are there?
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191020
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Is x < y ?
(1)x/y=7/9
(2)xy>0
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191020
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Each letter of the word "College" is written on a piece of paper (7 pieces of paper in total). Now just take one piece of papers randomly. What is the probability of getting a letter that happens to appear twice (l or e)?
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