选择题

2014 AMC 8 Problem 22: Product Plus Sum Digits

A 2-digit number is such that the product of the digits plus the sum of the digits is equal to the number. What is the units digit of the number?

2014 AMC 8 第22题 :产品加和位数

2位数字是指数字的乘积加上数字的总和等于数字。数字的单位数字是多少?

A.
1
B.
3
C.
5
D.
7
E.
9