化简:6a6÷3a3= .
计算:(1)-0.10=________; (2)(-0.1)0=_______;(3)(-0.5)-2=_______; (4)(-)-1=________.
a0=______(a≠0);a-p=_______(a≠0,p是正整数).
代数式的意义为___________.
计算:(1)199.92=_______;(2)512=________;(3)1-2×51+512=_______.
计算:-3a×(-3a)=________.