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03--9月21-30日数学机井总结 |
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| www.iselong.com 日期：2006-03-06 10:32
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3, 6, 12, 18, 24 (Y)
答案:
35. if m, p, and t are positive integers and m(1) t-p=p-m
(2) t-m=16
答案 E)
36. if ab=a, what is the value of (axb)(ayb)?
(1) ax=by=2
(2) 2xy=4
答案D)
37. A rectangular is surrounded by a border, 1 inch wide on each side then the area is M square inches, 2 inch wide then M+5, what is the perimeter of the photograph?
34, 36, 38, 40(Y), 42
答案:
38. if xy=/0 and x^2*y^2-xy=6, which of the following could be y in term of x?
1. 1/2x 2. –2/x 3. 3/x
(1.2.3)
答案:
39. rectangular park perimeter 560 fe
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