1、(1/10×1/9×1/8×……×1/2×1)^10×(1×2×3×……×9×10)^10
=(1/10×1/9×1/8×……×1/2×1×1×2×3×……×9×10)^10
=(1)^10
=1
2、比较1111^2222与2222^1111的大小
3、0.25^10×2^10
=(1/4)^10×2^10
=(1/4×2)^10
=(1/2)^10
=1/1024
4、9^2004(-1/9)^2005
=-(9×1/9)^2004×(1/9)
=-1/9
1、(1/10×1/9×1/8×……×1/2×1)^10×(1×2×3×……×9×10)^10
=(1/10×1/9×1/8×……×1/2×1×1×2×3×……×9×10)^10
=(1)^10
=1
2、比较1111^2222与2222^1111的大小
3、0.25^10×2^10
=(1/4)^10×2^10
=(1/4×2)^10
=(1/2)^10
=1/1024
4、9^2004(-1/9)^2005
=-(9×1/9)^2004×(1/9)
=-1/9