18÷2/3+0.65×8/13-2/7×18+5/13×0.
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 14:46:00
![18÷2/3+0.65×8/13-2/7×18+5/13×0.](/uploads/image/z/636024-48-4.jpg?t=18%C3%B72%2F3%2B0.65%C3%978%2F13-2%2F7%C3%9718%2B5%2F13%C3%970.)
18÷2/3+0.65×8/13-2/7×18+5/13×0.
18÷2/3+0.65×8/13-2/7×18+5/13×0.
18÷2/3+0.65×8/13-2/7×18+5/13×0.
18÷2/3+0.65×8/13-2/7×18+5/13×0.65
=18×3/2+5.2/13-36/7+3.25/13
=27+5.2/13+3.25/13-36/7
=27+8.45/13-5-1/7
=22+(8.45×7-13)/91
=22+46.15/91
=22.5071