计算:[20-(1又5/12+1又1/2)×5又1/7]÷120%
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 17:13:19
![计算:[20-(1又5/12+1又1/2)×5又1/7]÷120%](/uploads/image/z/1252398-30-8.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%5B20-%EF%BC%881%E5%8F%885%2F12%2B1%E5%8F%881%2F2%EF%BC%89%C3%975%E5%8F%881%2F7%5D%C3%B7120%25)
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计算:[20-(1又5/12+1又1/2)×5又1/7]÷120%
计算:[20-(1又5/12+1又1/2)×5又1/7]÷120%
计算:[20-(1又5/12+1又1/2)×5又1/7]÷120%
[20-(1又5/12+1又1/2)×5又1/7]÷120%
=[20-35/12×36/7]÷120%
=[20-15]÷120%
=5÷1.2
=25/6