简便计算题:99999×77778+33333×66666,
问题描述:
简便计算题:99999×77778+33333×66666,
答
99999×77778+33333×66666
=99999×77778+33333×3x22222
=99999x(77778+22222)
=99999x100000
=9999900000
答
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000
=9999900000
答
99999×77778+33333×66666
=99999×77778+33333×3×22222
=99999×(77778+22222)
=99999×100000
=9999900000
答
518511851829630