(13)计算:8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 21:42:26
![(13)计算:8.1×1.3-8/1.3+1.9×1.3+11.9/1.3](/uploads/image/z/1784970-18-0.jpg?t=%EF%BC%8813%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9A8.1%C3%971.3%EF%BC%8D8%2F1.3%EF%BC%8B1.9%C3%971.3%EF%BC%8B11.9%2F1.3)
x){>_7Yzz-t%T$铭WΆ2IPjdQUX2/.H̳y擝|]ީOv=qCXq.R +~7~"Q `:&>mb;БO;6\4{z^N t瓽uy< ^
(13)计算:8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
(13)计算:8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
(13)计算:8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
=1.3×(8.1+1.9)+(-8+11.9)/1.3
=13+3
=16
这也忒简单了吧。
8.1×1.3-8/1.3+1.9×1.3+11.9/1.3
原式=1.3×(8.1+1.9)+(-8+11.9)/1.3
=13+3
=16
我做过这到题的,错了你找我!!