(四年级)12x25用简便方法怎么脱式计算?

2025-03-22 12:44:34
推荐回答(2个)
回答1:

12x25
=3×4×25
=3×(4×25 )
=3×100
=300

回答2:

12x25
=3X4X25
=3X100
=300