(+0.65)+(-1.9)+(-1.1)+(-13/20)+(5*2/3)的计算步骤怎么算?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/05 00:11:42
(+0.65)+(-1.9)+(-1.1)+(-13/20)+(5*2/3)的计算步骤怎么算?
![(+0.65)+(-1.9)+(-1.1)+(-13/20)+(5*2/3)的计算步骤怎么算?](/uploads/image/z/19624218-42-8.jpg?t=%28%2B0.65%29%2B%28-1.9%29%2B%28-1.1%29%2B%28-13%2F20%29%2B%285%2A2%2F3%29%E7%9A%84%E8%AE%A1%E7%AE%97%E6%AD%A5%E9%AA%A4%E6%80%8E%E4%B9%88%E7%AE%97%3F)
(+0.65)+(-1.9)+(-1.1)+(-13/20)+(5*2/3)
=(0.65-13/20)-(1.9+1.1)+10/3
=0-3+10/3
=1/3
=(0.65-13/20)-(1.9+1.1)+10/3
=0-3+10/3
=1/3