4.5×5.4+5.5×4.6简便计算怎么算?

2025-06-26 01:00:10
推荐回答(1个)
回答1:

4.5×5.4+5.5×4.6
=4.5×5.4+4.5×4.6+4.6
=4.5×(5.4+4.6)+4.6
=4.5×10+4.6
=45+4.6
=49.6