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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.
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.
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.
What is the value of 5x2+4x−1 ​? (1) x(x + 2) = 0 (2) x = 0
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 .
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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