SOLUTION: 1. How many 2 digit numbers are possible such that the sum of their digits is equal to twice the difference between the digits?
2. How many 3 digit numbers do not change their v
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2. How many 3 digit numbers do not change their v
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Question 421452: 1. How many 2 digit numbers are possible such that the sum of their digits is equal to twice the difference between the digits?
2. How many 3 digit numbers do not change their value, even if the digits are reversed? Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! 2)
101 111 121 131 141 151 161 171 181 191
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909 919 929 939 949 959 969 979 989 999
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90 Answer
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Ed
