计算:1.999×370-19.99×6+1999×0.69=_.

问题描述:

计算:1.999×370-19.99×6+1999×0.69=______.

1.999×370-19.99×6+1999×0.69,
=1.999×370-1.999×60+1.999×690,
=1.999×(370-60+690),
=1.999×1000,
=1999;
故答案为:1999.