简便用算 5.6×0.375+8分之3×5.4-0.375×0.9
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 19:12:20
![简便用算 5.6×0.375+8分之3×5.4-0.375×0.9](/uploads/image/z/8527-31-7.jpg?t=%E7%AE%80%E4%BE%BF%E7%94%A8%E7%AE%97+5.6%C3%970.375%2B8%E5%88%86%E4%B9%8B3%C3%975.4-0.375%C3%970.9)
简便用算 5.6×0.375+8分之3×5.4-0.375×0.9
简便用算 5.6×0.375+8分之3×5.4-0.375×0.9
简便用算 5.6×0.375+8分之3×5.4-0.375×0.9
(5.6+5.4-0.9)x0.375
PS:八分之三是0.375
0.375=3/8 这样就好计算了 原式=(5.6+5.4-0.9)x3/8=3.7875
5.6×0.375+8分之3×5.4-0.375×0.9
=0.375(5.6+5.4-0.9)
=0.375×10.1
=3.7875