999乘77加333乘69怎样简便计算

2025-03-11 08:47:08
推荐回答(2个)
回答1:

999乘77加333乘69=999x77+333x3x23
=999x77+999x23
=999x(77+23)
=999x100
=99900

回答2:

999×77+333×69
=999×77+333×3×23
=999×77+999×23
=999×(77+23)
=999×100
=99900