46.2÷6.5简便方法?

2025-02-26 13:28:31
推荐回答(1个)
回答1:

原式=462/65
=2x231/65
=2x3x77/65
=6x77/65
=6x(65+12)/65
=6+72/65
=6+1+7/65
=7又7/65