4/5的2003次方乘负5/4的2002次方计算

1个回答

(4/5)^2003*(5/4)^2002
=(4/5)*[(4/5)^2002*(5/4)^2002]
=(4/5)*[(4/5)*(5/4)]^2002
=(4/5)*1^2002
=4/5