The age of the girl = x = 14 years, The age of the younger sister = x – 4 = 14 – 4 = 10 years, The age of the younger brother = x – 8 = 14 – 8 = 6 years.
aReturned to the family younger sister. 返回到家庭妹妹。[translate] aHas selected the younger sister how many in the Japanese time? 选择了妹妹多少在日本时间?[translate] aHow many do you want to select sleep the younger sister? 您要选择多少睡眠妹妹?[translate]...