当n=3时,根据数值运算程序得:32-3=9-3=6<30,当n=6时,根据数值运算程序得:36-6=30=30,当n=30时,根据运算程序得900-30=870则输出结果为870故答案为:870
当n=3时,根据数值运算程序得:32-3=9-3=6<30,当n=6时,根据数值运算程序得:62-3=36-3=33>30,则输出结果为33.故答案为:33
当n=-2时,n2-n=4+2=6<28;当n=6时,n2-n=36-6=30>28,则输出结果为30.故答案为:30.