4/15+3/14÷1/6+5/7[7/12-(3/4÷9)]×5/6
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 21:13:29
![4/15+3/14÷1/6+5/7[7/12-(3/4÷9)]×5/6](/uploads/image/z/5900534-62-4.jpg?t=4%2F15%2B3%2F14%C3%B71%2F6%2B5%2F7%5B7%2F12-%283%2F4%C3%B79%29%5D%C3%975%2F6)
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4/15+3/14÷1/6+5/7[7/12-(3/4÷9)]×5/6
4/15+3/14÷1/6+5/7
[7/12-(3/4÷9)]×5/6
4/15+3/14÷1/6+5/7[7/12-(3/4÷9)]×5/6
4/15+3/14÷1/6+5/7
=4/15+9/7+5/7
=4/15+2
=2又4/15
[7/12-(3/4÷9)]×5/6
=(7/12-1/12)×5/6
=1/2×5/6
=5/12
1.0166666666667
0.41666666666667
1、原式=4/15+3/14*6+5/7
=4/15+2
=34/15
2、原式=(7/12-1/12)*5/6
=1/2*5/6
=5/12