a/b is a fraction.If 2 is added to the numerator,the value o
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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
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
(a+2)/b=1/2
a./(b+3)=1/3
推出a=7 b=18
∴a+b=25
(sat数学)for a certain fraction,if 2 is added
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