1.Tổng số tuổi của bố, mẹ và 2 con là 87 tuổi. Bố hơn mẹ 3 tuổi. Con lớn có số tuổi gấp đôi con nhỏ. Tích số tuổi của 2 con gấp 2 lần tuổi bố. Tính tuổi mỗi người. 2.Hiện nay tổng số tuổi của 2 anh em là 24. Khi tuổi em bằng tuổi anh hiện nay thì tuổi anh sẽ gấp 5 lần tuổi em hiện nay. Tính tuổi mỗi người hiện nay. giải 1 trong 2 hoặc cả 2 thì mik sẽ vote cho ctlhn ạ! E hứa vote 5* nếu giải nhanh và đúng! Mơn mn nhìu nha!<33333333333

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