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...
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...
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 ...
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 ...
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 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 10a+b, where a and b are 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?( ). A. 1 B. 3 C. 5 D. 7 E. 9 相关知识点: 试题来源: 解析 E 某两位数满足各个数位之积加各个数位之和恰等于其自身.则这个...
A 2-digit number is such that the product of the digit is 20. If 9 is subtracted from the number, the digits interchange their places. Find the number. View Solution A two digit number is such that the product of its digits is 14. When 45 is added to the number, then the digits ...
Let n be a two-digit number such that the square of the sum of digits of n is equal to the sum of digits of n2. Find the sum of all possible values of n. 设n为两位数,而n的数字之和的平方等于n2的数字之和.求n所有可能值之和. 相关知识点: 试题来源: 解析 170. Since n is a...
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 expressed as:Number=10y+x Step 2: Set Up the Product of the DigitsAccording to the problem, the product of the digits is given as:xy=8 Step 3: Set Up the ...
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...