四点二五乘以三点六的铅笔你算

四点二五乘以三点六的铅笔你算
2025-01-02 06:10:42
推荐回答(1个)
回答1:

4.25x3.6
=(4+0.25)x3.6
=4x3.6+0.25x3.6
=14.4+0.25x4x0.9
=14.4+1x0.9
=14.4+0.9
=15.3