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人気の例
Seven times the sum of a number and 27 is most 22felicia's age is 0.25 of Joe's. in 20 years, joe's age will be 1.5 times of felicia's. calculate each girl's present age5 less than a number is 15Emma is five years older than Joe. The sum of Emma and Joe's age is 140 How old is Emma and how old is JoeIf the radius of a circle is 15 m, what is its 円周?