计算:0.25×55=________;0.252019×(-4)2018=________.
计算:(-m2)3÷(-m2)=________,(m4·m3)÷(m2·m4)=________.
计算(-10)2+(-10)0+10-2×(-102)的结果是__________.
当n为奇数时, .
计算:(π-1)0+2-1=________.
(m+n)3(m+n)6=(________)(m+n)8,42×(________)6=45.