2【题目】How many 2-digit numbers are there such that thesum of the digits is divisible by 3 and no repeated digits are used?有多少个数位之和是3的倍数且没有重复数位的两位数? 3How many 2-digit number(s) is/ are there such that the sum of the digits is divisible by 4 and no rep...
结果1 题目How many are all even two-digit numbers that We can create from the digits 2, 4, and 7?The numerals can be repeated in the created number. 相关知识点: 试题来源: 解析 n=6Step-by-step explanation :n=3*2=6 反馈 收藏 ...
Determine how many two-digit numbers satisfy the following property:When the number is added to the number obtained by reversing its digits,the sum is 132.( )有多少个两位数满足以下性质:当这个数加上其数字反转后得到的数,其和是132.( ) A. 5 B. 7 C. 9 D. 11 E. 12 相关知识点: 试题...
百度试题 结果1 题目【题目】How many 2 -digit odd numbers have the difference between its units digit and its tens digit equal to 1?有多少个两位单数,它们的个位数字与十位数字的差是1 相关知识点: 试题来源: 解析 【解析】8. 反馈 收藏
50. How many two-digit prime numbers remain prime when the order of is two digits reversed? 相关知识点: 试题来源: 解析 Menentukan banyaknya bilangan prima dua angka yang apabila angkanya dibalik tetap berupa bilangan prima.Bilangan prima dua angka ada 21 bilangan, yaitu: 11,13,17,19,23,...
How many two-digit numbers have digits whose sum is a perfect square?( ).A. 13 B. 16 C. 17 D. 18 E. 19 相关知识点: 试题来源: 解析 C 有多少两位数,其个位十位的和是平方数?有一个整数,它的数字和为1:10.有4个整数,它们的数字和为4:13、22、31和40.有9个整数,其数字和为9:18、...
结果一 题目 【题目】How many two-digit numbers have at least one 7 as a digit? ()(A)10(B)18C)19(D)20 答案 【解析】B相关推荐 1【题目】How many two-digit numbers have at least one 7 as a digit? ()(A)10(B)18C)19(D)20 ...
百度试题 结果1 题目 How many 2 -digit odd numbers have the difference between its units digit and its tens digit equal to 1? 有多少个两位单数,它们的个位数字与十位数字的差是1? 相关知识点: 试题来源: 解析 8. 反馈 收藏
2【题目】How many two-digit numbers have digits whose sumis a perfect square?(). A.13 B.16 C.17 D.18 E.19 3【题目】【题目】Ho wman ytwo-digi tnumber shav edigit swhos【题目】【题目】【题目】【题目】【题目】【题目】【题目】【题目】【题目】【题目】 反馈...
34There are 10 two-digit numbers that begin with a 5 . There are 9 two-digit numbers that end with a 5. But since we count 55 twice, there are two-digit numbers that contain a 5 . Similarly there are 18 two-digit numbers that contain a 6 . Now the numbers 56 and 65 contain ...