a/b is a fraction.If 2 is added to the numerator,the value o
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解决时间 2021-07-29 13:30
- 提问者网友：咪咪
- 2021-07-29 01:02
a/b is a fraction.If 2 is added to the numerator,the value of the fraction is 1/2.If 3 is added to the denominator,the fraction has a value of 1/3.The value of the sum a+b is
最佳答案
- 五星知识达人网友：神的生死簿
- 2021-07-29 02:16
a./b是分数,如果分子+2得1/2,如果分母+3得1/3,求a+b
（a+2）/b=1/2
a./(b+3)=1/3
推出a=7 b=18
∴a+b=25
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