請幫幫忙
更新1:
須路問多一題 Peter is 20 years younger than his father. 5 years ago, Peter's age was one-third that of his father 's how old ias Peter's father now? 彼得比他的爸爸年輕20歲。5年前,彼得的年齡是他的爸爸的三分之一。問彼得的爸爸現年幾歲? 請幫幫忙
更新2:
須過多問一題 One number is 18 greater than another number. If the smaller number is subtracted from three times the greater number, the result is 78. Find the sum of the two number. 某數比另一個數大18。若以大數的三倍減去小數,則得到78。求這兩個數的和。 請幫幫忙