14.15+2.9+1.85的简便算法

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/12 16:54:45
14.15+2.9+1.85的简便算法14.15+2.9+1.85的简便算法14.15+2.9+1.85的简便算法14.15+2.9+1.85=14.15+1.85+2.9=16+2.9=18.914

14.15+2.9+1.85的简便算法
14.15+2.9+1.85的简便算法

14.15+2.9+1.85的简便算法
14.15+2.9+1.85
=14.15+1.85+2.9
=16+2.9
=18.9

14+0.15+2.9+1+0.85
=14+1+0.15+0.85+2.9
=15+1+2.9
=18.9

14+2+2.9=18.9