14.15+2.9+1.85的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 03:55:07
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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 03:55:07
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