【判断题】Given square matrices A and B. Then A is row equivalent to B if and only if A is column equivalent to B.
【单选题】In the country of ______, Gulliver was given three kinds of meat: a square of beef, a triangle of chicken, and a circle of lamb.
【简答题】A.33 pounds per square inch. B.14.7 pounds per square inch. C.600 pounds per square inch. D.280 pounds per square inch.
【简答题】If a square prism has an edge of 5 inches, what is the volume of the square?
【单选题】Quancheng Square is one of _____ largest in China, _____ second to Tiananmen Square. [ ]
【简答题】有整型数组:int[] x={2,5,18,6,1};,则调用方法Arrays.sort(x)后,数组x中的元素值依次是( ),(使用单个空格隔开结果中的数字)
【单选题】设有整型数组的定义: int x[][]={{12,34},{-5},{3,2,6}};则x[1].length 的值为( )。