How old is dad?Son:dad,how old are you?Dad:last year's age plus this age is 61.HowHow old is dad?Son:dad,how old are you?Dad:last year's age plus this age is 61.How old am Son:You are( ).
问题描述：
How old is dad?Son:dad,how old are you?Dad:last year's age plus this age is 61.How
How old is dad?Son:dad,how old are you?
Dad:last year's age plus this age is 61.How old am
Son:You are( ).
答
爸爸多大了?
儿子：爸爸,你多大了?
爸爸：去年的年龄加上今年的年龄是61岁.你说我多大了?
儿子：你 （）
30+31=61
所以爸爸的年龄是31岁.