Respostas

2014-05-27T19:59:55-03:00
999³ = 999 * 999 * 999
999³ = 998001 * 999
999³ = 9997002999

999² = 999*999
999² = 998001

2014-05-27T20:07:24-03:00
999²=999x999=998001
999³=999x999x999=997002999