wt is perfect square in maths

Perfect Square

Any number that is the square of a rational number. For example, 0, 1, 4, 9, 16, 25, etc. are all perfect squares. So are 1/25 and 9/4 .

9, 16, 25, 36, 49.............
they can be written as, 3^,4^,5^,6^,7^................

2007-08-08 23:37:50 補充：
^ = 2次/squre