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“sum”
A short description of something that has happened or a person's list of achievements or successes. (2)
This entry is located in the following unit:
Word a Day Revisited Index of Cartoons Illustrating the Meanings of Words
(page 69)
same sum everytime in mathematics
You can get the same sum of 1,089 every time you add certain numbers together:
- Take any three-digit number in which the first digit is larger then the last digit (654).
- Reverse the number and subtract the smaller number from the larger one (456; 654 - 456 = 198).
- Reverse the result and add this number to the result (198 reversed = 891 + 198 = 1,089)
- As shown above, the answer is 1,089 every time you use the procedures as indicated.
This entry is located in the following unit:
Measurements and Mathematics Terms
(page 9)