窝也是考完数学了,正好数学卷2答题卷不收,就做一期把
绝对不是水
1. −3+12÷3×2=-3+12\div3\times2=−3+12÷3×2=
A.A.A. −1-1−1
B.B.B. 1.51.51.5
C.C.C. 555
D.D.D. 666
AI答案:C,窝的答案:CAI答案: C, 窝的答案: CAI答案:C,窝的答案:C
2. 412−513=4\frac{1}{2}-5\frac{1}{3}=421 −531 =
A.A.A. −116-1\frac{1}{6}−161
B.B.B. −16-\frac{1}{6}−61
C.C.C. −156-1\frac{5}{6}−165
D.D.D. −56-\frac{5}{6}−65
AI答案:D,窝的答案:DAI答案: D, 窝的答案: DAI答案:D,窝的答案:D
3. The difference between xxx and 151515 is a prime number. xxx cen be
A.A.A. 888
B.B.B. 999
C.C.C. 161616
D.D.D. 232323
AI答案:A,窝的答案:AAI答案: A, 窝的答案: AAI答案:A,窝的答案:A
4. (−2)3−(−4)2=(-2)^3-(-4)^2=(−2)3−(−4)2=
A.A.A. 888
B.B.B. −8-8−8
C.C.C. 242424
D.D.D. −24-24−24
AI答案:D,窝的答案:DAI答案: D, 窝的答案: DAI答案:D,窝的答案:D
5. (2x−3)−(2−x)=(2x-3)-(2-x)=(2x−3)−(2−x)=
A.A.A. x−1x-1x−1
B.B.B. 3x−13x-13x−1
C.C.C. x−5x-5x−5
D.D.D. 3x−53x-53x−5
AI答案:D,窝的答案:DAI答案: D, 窝的答案: DAI答案:D,窝的答案:D
6. Which of the following results is an integer?
A.A.A. 20263\frac{2026}{3}32026
B.B.B. 22604\frac{2260}{4}42260
C.C.C. 20625\frac{2062}{5}52062
D.D.D. 22067\frac{2206}{7}72206
AI答案:B,窝的答案:BAI答案: B, 窝的答案: BAI答案:B,窝的答案:B
7. Which of the following equations describes 'the sum of the squaers of 2x2x2x and xxx is 252525'?
A.A.A. (2x2)(x2)=25(2x^2)(x^2)=25(2x2)(x2)=25
B.B.B. (2x)2(x2)=25(2x)^2(x^2)=25(2x)2(x2)=25
C.C.C. 2x2+x2=252x^2+x^2=252x2+x2=25
D.D.D. (2x)2+x2=25(2x)^2+x^2=25(2x)2+x2=25
AI答案:D,窝的答案:DAI答案: D, 窝的答案: DAI答案:D,窝的答案:D
8. It is given that T(n)=10n−3T(n)=10n-3T(n)=10n−3 is the general term of a sequence. Which term lies between 202620262026 and 203620362036?
A.A.A. T(201)T(201)T(201)
B.B.B. T(202)T(202)T(202)
C.C.C. T(203)T(203)T(203)
D.D.D. T(2027)T(2027)T(2027)
AI答案:C,窝的答案:CAI答案: C, 窝的答案: CAI答案:C,窝的答案:C
9. The L.C.M.L.C.M.L.C.M. of 23×522^3\times5^223×52 and 22×3×542^2\times3\times5^422×3×54 is
A.A.A. 22×522^2\times5^222×52
B.B.B. 23×542^3\times5^423×54
C.C.C. 25×3×562^5\times3\times5^625×3×56
D.D.D. 23×3×542^3\times3\times5^423×3×54
AI答案:D,窝的答案:DAI答案: D, 窝的答案: DAI答案:D,窝的答案:D
10. Let aaa and bbb be two consecutive positive integers. Which of the following must be true?
I.I.I. a+ba+ba+b is odd.
II.II.II. ababab is odd.
A.A.A. III only
B.B.B. IIIIII only
C.C.C. III and IIIIII
D.D.D. None of the above
AI答案:A,窝的答案:CAI答案: A, 窝的答案: CAI答案:A,窝的答案:C
11. Solve 1x+23=4\frac{1}{x}+\frac{2}{3}=4x1 +32 =4
A.A.A. x=310x=\frac{3}{10}x=103
B.B.B. x=103x=\frac{10}{3}x=310
C.C.C. x=314x=\frac{3}{14}x=143
D.D.D. x=143x=\frac{14}{3}x=314
AI答案:A,窝的答案:AAI答案: A, 窝的答案: AAI答案:A,窝的答案:A
12. In a rectangular coordinate plane, (−3,2)(-3,2)(−3,2) lies in
A.A.A. Quadrant III
B.B.B. Quadrant IIIIII
C.C.C. Quadrant IIIIIIIII
D.D.D. Quadrant IVIVIV
AI答案:B,窝的答案:BAI答案: B, 窝的答案: BAI答案:B,窝的答案:B
暂时更新到第12题,3赞更!!!!!\huge 暂时更新到第12题,3赞更!!!!!暂时更新到第12题,3赞更!!!!!