6*1.6+28.8*36.8-14.4*80
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/08/19 14:44:33
6*1.6+28.8*36.8-14.4*80
![6*1.6+28.8*36.8-14.4*80](/uploads/image/z/3419691-51-1.jpg?t=6%2A1.6%2B28.8%2A36.8-14.4%2A80)
6*1.6+28.8*36.8-14.4*80
=6*1.6+28.8*36.8-28.8*40
=6*1.6-28.8*3.2
=3*3.2-28.8*3.2
=-3.2*25.8
=-82.56
=6*1.6+28.8*36.8-28.8*40
=6*1.6-28.8*3.2
=3*3.2-28.8*3.2
=-3.2*25.8
=-82.56
6*1.6+28.8*36.8-14.4*80
用简便方法计算:6×1.6+28.8×36.8-14.4×80
6×1.6+28.8×36.8-14.4×80的简便算法
非诚勿扰56.7×1.6+28.8×36.8-14.4×80
57.6乘以1.6+28.8乘以36.8-14.4乘以80简便计算
这两题怎么做? 用简便方法计算 (1):57.6×1.6+28.8×36.8-14.4×80
用简便方法计算:57.6×1.6+28.8×36.8-14.4×80.
初一数学简便运算1.57.6×1.6+28.8×36.8-14.4×802.2.4²×9-1.3²×
简便方法计算 1,57.6×1.6+28.8×36.8-14.4×80 2,39×37-13×3的4次方(我不会打了)
36.8×8.4+14×0.17+38.5×1.6=
60×12×0.02,=720×0.02,=14.4(元),720×0.04=28.8
28.8_640℅_2.8_4.6求简便计算