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600以下   题数:338
If r and t are three-digit positive integers, is r greater than t ?1. The tens digit of r is greater than each of the three digits of t.2. The tens digit of r is less than either of the other two digits of r.
Three children inherited a total of X dollars. If the oldest child inherited $7,000 more than the youngest child, and the youngest child inherited $9,000 less than the middle child, what is the value of X ?1. The middle child inherited $27,000.2. The youngest child and the middle child together inherited a total of $45,000.
What was a certain company's revenue last year? (1) Last year the company's gross profit was $4,100.(2) Last year the company's revenue was 50 percent greater than its expenses.
If x and y are the lengths of the legs of a right triangle, what is the value of xy ?1. The hypotenuse of the triangle is 10.2. The area of the triangular region is 50.
In the xy-plane, point (r, s) lies on a circle with center at the origin. What is the value of r2 + s2?(1) The circle has radius 2.(2) The point (√2, -√2) lies on the circle.
What is the value of 5x2+4x−1 ​? (1) x(x + 2) = 0 (2) x = 0
In the xy‐coordinate plane, is point R equidistant from points (–3,–3) and (1,–3) ?1. The x‐coordinate of point R is –1.2. Point R lies on the line y = –3.
In the figure above, if the area of triangular region D is 4, what is the length of a side of square region A ?1. The area of square region B is 9.2. The area of square region C is .
Is the product of a certain pair of integers even? (1) The sum of the integers is odd. (2) One of the integers is even and the other is odd.
If each side of parallelogram P has length 1, what is the area of P ?1. One angle of P measures 45 degrees.2. The altitude of P is .
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