hai năm trước tổng số tuôỉ của hai cô cháu là 50. hiện nay 2 lần tuổi cô bằng 7 lần tuổi cháu .Tìm tuổi mỗi người hiện nay?
tổng số tuổi của hai cô cháu là:50+2*2=54( tuổi )
sơ đồ tự viết nha tuổi cháu hiện nay là :54:(7+2)*2=12(tuổi )
tuổi cô hiện nay là :54-12=42(tuổi )
cho ****
Who can answer this question? Threads like this: Seven years ago, the total number of 3-year-old mother is 48 years. Six years after her mother's age over the age of 30 and over adult son is 24 years old. calculate the current age of the mother. You remember all the offline presentation!
Who can answer this question? Threads like this: Seven years ago, the total number of 3-year-old mother is 48 years. Six years after her mother's age over the age of 30 and over adult son is 24 years old. calculate the current age of the mother. You remember all the offline presentation!
Who can answer this question? Threads like this: Seven years ago, the total number of 3-year-old mother is 48 years. Six years after her mother's age over the age of 30 and over adult son is 24 years old. calculate the current age of the mother. You remember all the offline presentation! You can write Vietnamese because we can go to google translate ! what do you say ? do you say vietnamese . You can't go to google translate.
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