462+74+138+126简便方法计算

462+74+138+126简便方法计算
2025-03-25 19:05:58
推荐回答(4个)
回答1:

(462+138)+(74+126)=600+200=800

回答2:

462+74+138+126

=462+138+(74+126)
=600+200
=800
+++++++++++++++++++++++++++++++++++++++

回答3:

462+74+138+126
=(462+138)+(74+126)
=500+200
=700

回答4:

462+74+138+126
=(462+138)+(74+126)
=600+200
=800