Since the number is equal to the product of the digits (a⋅b) plus the sum of the digits (a+b), we can say that 10a+b=a⋅b+a+b. We can simplify this to 10a=a⋅b+a, and factor to (10)a=(b+1)a. Dividing by a. We have that b+1=10. Therefore, the units digit...
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?( )一个两位数,其数字的乘积加上数字的和等于这个数。这个数的个位数字是多少?( ) A. 1 B. 3 C. 5 D. 7 E. 9 相关知识点: 试题来...
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 Problem, Question #22) A.1 B.3 C.5 D.7 E.9 相关知识点: 试题来源: 解析 E We can think of the number as ...
102. 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? A.1 D.7E B.3 E.9 C.5 相关知识点: 试题来源: 解析 E102. Misalkan a digit puluhan dan b digit satuan, makaJawaban: E ...
Therefore, the units digit, b, is 9.结果一 题目 ( 2014 AMC 8 Problem, Question #22)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? ( ).A.1B.3C.5D.7E.9 答案 E...
<p>To solve the problem step by step, we can follow these instructions:</p><p><strong>Step 1: Define the Digits</strong> Let the unit digit of the two-digit number be \( x \) and the ten's digit be \( y \). Therefore, the two-digit number can be expresse
题目: A two-digit even number is such that reversing its digits creates an odd number greater than the original number. Which one of the following cannot be the first digit of the original number? 选项: A、A. 1 B、B. 3 C、C. 5 D、D. 7 E、E. 9 答案: E 经典答疑 发起...
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The sum of the digits of a 2 digit number is 11. When the digits are reversed, the number increases by 63. What are the numbers? The middle digit of a number between 100 and 1000 is zero and the sum of the other digit...