发布网友 发布时间:2024-10-21 10:39
共3个回答
热心网友 时间:2024-11-06 02:47
65.4xo.67十6.54x3.1十0.654x2的简便方法热心网友 时间:2024-11-06 02:54
65.4×0.67+6.54×3.1+0.654×2热心网友 时间:2024-11-06 02:49
65.4×0.67+6.54×3.1+0.654×2=65.4×0.67+65.4×0.31+65.4×0.02=65.4×(0.67+0.31+0.02)=65.4×1=65.4