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190113	Is 3$$x^{2}$$ > x? 1:x ≥ 0 2:\|x\|<$$\frac{1}{3}$$
190113	When -1< x < -3/4, which option has the maximum value?
190113	$$(\frac{3\sqrt{32}-4\sqrt{2}}{\sqrt{8}})^{2}$$=?
190113	According to the picture, AB=10. ∠B=60°, ∠C=45°. AC=?
190113	If uv > 0, is ($$u^{2}$$) ($$v^{3}$$) >0? (1)u > 0 (2)v > 0
190113	Is axy > bxy? (1)ax > ay (2) bx > by
190113 还原机经选题	X is a set that composed of consecutive integers. How many numbers are there in X? (1)There are 71 numbers that can be divided by 3 in X. (2)There are 106 even integers in X.
190113	Tom invested in A, B, and C shares with a total return of $2400. The return ratio among the three stocks A, B, and C is 2:3:7. What's the return of stock C?
190113	30% of Mary's monthly salary was used to pay the rent. Her salary was $2500 every month. How much money did she have after paying the rent in a month?
190113	A driver originally drove at a constant speed of 17 miles/h. Then, he increased the speed and continued to drive at a constant speed. How much more time can he save if he drove 255 miles at the increased speed than at original speed? (1)It took 2.5h to drive 255 miles at the increased speed. (2)He drove for 4 hours at the original speed.
190113	$$\frac{2}{n(n+1)(n+2)}$$=$$\frac{1}{n(n+1)}$$-$$\frac{1}{(n+1)(n+2)}$$.$$\frac{(2)(29)}{(5)(6)(7)}$$+$$\frac{(2)(29)}{(6)(7)(8)}$$+...+$$\frac{(2)(29)}{(28)(29)(30)}$$=?
190113	$$a_n$$=$$a_n$$-2+11(n > 3). Does the number 633 belongs to the number series {$$a_n$$}? (1)$$a_1$$=28 (2)$$a_2$$=30
190113	According to the picture, AB=BC. O is the center of the circle, and A, B, C, and D are all on the circle. EF is tangent to the circle O at point B. ∠ABE=？ (1)The point O lies on the line AC. (2)∠CAD=24°
190113	Positive integer m is a multiple of 3. How many different prime factors of m? (1) m/3 can be divided by 3. (2) m/3 is an integer and has exactly two different prime factors.
190113	According to the picture, AB is perpendicular to BD. AB=6, BC=8, CD=4/3. What`s the relationship between $$b_1$$ and $$b_2$$?
190113	$$\frac{1}{2}$$($$\sqrt{3}$$+$$\sqrt{7}$$)+2$$\frac{1}{\sqrt{3}+\sqrt{7}}$$=?
190113 还原机经选题: 文字题&几何	According to the picture, a cylinder was placed at an angle on a horizontal plane. A is the center of the bottom circle, and AD is the radius of the circle. BC=10. AC is horizontal to the horizontal plane and perpendicular to BD. DC=? (1)∠ADE=60° (2)AC=2AD
190113	If x, and y are positive integers, is even? (1)x=3 (2)y=2
190113	If m, and n are positive integers, is $$\frac{m!}{n!}$$ > $$n^{3}$$? (1)m-n ≥ 3 (2)m=3n
190113	When positive integer is divided by 4, is the remainder 1? (1)The remainder is 1, when $$p^{2}$$ is divided by 4. (2)The remainder is 1 when P is divided by 2.