Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.
Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.
The sum of the two original numbers is
The sum of the two original numbers is
其他人气:502 ℃时间:2019-11-04 16:51:16
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Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is【两数之比为2:3,当每个数加上4时,新的两数之比为5:7,求原来两数之和】假设...
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