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
- −3+12÷3×2=
A. −1
B. 1.5
C. 5
D. 6
AI答案:C,窝的答案:C
- 421−531=
A. −161
B. −61
C. −165
D. −65
AI答案:D,窝的答案:D
- The difference between x and 15 is a prime number. x cen be
A. 8
B. 9
C. 16
D. 23
AI答案:A,窝的答案:A
- (−2)3−(−4)2=
A. 8
B. −8
C. 24
D. −24
AI答案:D,窝的答案:D
- (2x−3)−(2−x)=
A. x−1
B. 3x−1
C. x−5
D. 3x−5
AI答案:D,窝的答案:D
- Which of the following results is an integer?
A. 32026
B. 42260
C. 52062
D. 72206
AI答案:B,窝的答案:B
- Which of the following equations describes 'the sum of the squaers of 2x and x is 25'?
A. (2x2)(x2)=25
B. (2x)2(x2)=25
C. 2x2+x2=25
D. (2x)2+x2=25
AI答案:D,窝的答案:D
- It is given that T(n)=10n−3 is the general term of a sequence. Which term lies between 2026 and 2036?
A. T(201)
B. T(202)
C. T(203)
D. T(2027)
AI答案:C,窝的答案:C
- The L.C.M. of 23×52 and 22×3×54 is
A. 22×52
B. 23×54
C. 25×3×56
D. 23×3×54
AI答案:D,窝的答案:D
- Let a and b be two consecutive positive integers. Which of the following must be true?
I. a+b is odd.
II. ab is odd.
A. I only
B. II only
C. I and II
D. None of the above
AI答案:A,窝的答案:C
- Solve x1+32=4
A. x=103
B. x=310
C. x=143
D. x=314
AI答案:A,窝的答案:A
- In a rectangular coordinate plane, (−3,2) lies in
A. Quadrant I
B. Quadrant II
C. Quadrant III
D. Quadrant IV
AI答案:B,窝的答案:B
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