0.25×(4+0.4) 简便计算,w求解

2024-11-07 21:13:47
推荐回答(3个)
回答(1):

0.25×(4+0.4)
=0.25x4+0.25x0.4
=1+0.1
=1.1
或者
0.25×(4+0.4)
=0.25x4.4
=0.25x4x1.1
=1x1.1
=1.1
祝天天向上。

回答(2):

=0.25*4+0.25*0.4
=1+0.1
=1.1
用乘法分配律,望采纳,谢谢

回答(3):

0.25*(4+0.4)
=0.25*4+0.25*0.4
=1+0.1
=1.1