问题
选择题
已知集合A={x|x是菱形或矩形}，B={x|x是矩形}，则CAB=[ ]
A.{x|x是菱形}
B.{x|x是内角都不是直角的菱形}
C.{x|x是正方形}
D.{x|x是邻边都不相等的矩形}
答案
答案：B
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已知集合A={x|x是菱形或矩形}，B={x|x是矩形}，则CAB=[ ]
A.{x|x是菱形}
B.{x|x是内角都不是直角的菱形}
C.{x|x是正方形}
D.{x|x是邻边都不相等的矩形}
答案：B
| Question The following information has been gathered regarding a firm that uses straight line depreciation. Gross plant and equipment $1250000 Depreciation expense$ 235000 Accumulated depreciation $ 725000 |
The average depreciable life of plant and equipment is:
A．
| A. 3.09 years. |
B．
| B. 5.32 years. |
C．
| C. 2.23 years. |