甲· 乙 两根绳子,甲绳69米,乙24米,两根绳子各剪去相等一段,甲剩下比乙剩下3倍多4 米,剪去了多少米?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 17:12:09
![甲· 乙 两根绳子,甲绳69米,乙24米,两根绳子各剪去相等一段,甲剩下比乙剩下3倍多4 米,剪去了多少米?](/uploads/image/z/10226242-10-2.jpg?t=%E7%94%B2%C2%B7+%E4%B9%99+%E4%B8%A4%E6%A0%B9%E7%BB%B3%E5%AD%90%2C%E7%94%B2%E7%BB%B369%E7%B1%B3%2C%E4%B9%9924%E7%B1%B3%2C%E4%B8%A4%E6%A0%B9%E7%BB%B3%E5%AD%90%E5%90%84%E5%89%AA%E5%8E%BB%E7%9B%B8%E7%AD%89%E4%B8%80%E6%AE%B5%2C%E7%94%B2%E5%89%A9%E4%B8%8B%E6%AF%94%E4%B9%99%E5%89%A9%E4%B8%8B3%E5%80%8D%E5%A4%9A4+%E7%B1%B3%2C%E5%89%AA%E5%8E%BB%E4%BA%86%E5%A4%9A%E5%B0%91%E7%B1%B3%3F)
甲· 乙 两根绳子,甲绳69米,乙24米,两根绳子各剪去相等一段,甲剩下比乙剩下3倍多4 米,剪去了多少米?
甲· 乙 两根绳子,甲绳69米,乙24米,两根绳子各剪去相等一段,甲剩下比乙剩下3倍多4 米,剪去了多少米?
甲· 乙 两根绳子,甲绳69米,乙24米,两根绳子各剪去相等一段,甲剩下比乙剩下3倍多4 米,剪去了多少米?
设:剪去了x米
69-x=3(24-x)+4
3x-x=72+4-69
2x=7
x=3.5
设:剪去了x米
69-x=3(24-x)+4
3x-x=72+4-69
2x=7
x=7/2x=3.5
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