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  2. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Sum the digits of 500702: 5 + 0 + 0 + (7 + 0 + 2 = 9, which counts as 0) = 5 5 = 5, so there is a good chance that the prediction that 6,338 × 79 equals 500,702 is right. The same procedure can be used with multiple operations, repeating steps 1 and 2 for each operation.

  3. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    Multiplication table from 1 to 10 drawn to scale with the upper-right half labeled with prime factorisations. In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system.

  4. List of integer sequences - Wikipedia

    en.wikipedia.org/wiki/List_of_integer_sequences

    0, 1, 3, 6, 2, 7, 13, 20, 12, 21, 11, 22, 10, 23, 9, 24, 8, 25, 43, 62, ... "subtract if possible, otherwise add" : a (0) = 0; for n > 0, a ( n ) = a ( n − 1) − n if that number is positive and not already in the sequence, otherwise a ( n ) = a ( n − 1) + n , whether or not that number is already in the sequence.

  5. Josephus problem - Wikipedia

    en.wikipedia.org/wiki/Josephus_problem

    Such games are used to pick out a person from a group, e.g. eeny, meeny, miny, moe. A drawing for the Josephus problem sequence for 500 people and skipping value of 6. The horizontal axis is the number of the person. The vertical axis (top to bottom) is time (the number of cycle). A live person is drawn as green, a dead one is drawn as black. [1]

  6. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    A subtraction problem such as is solved by borrowing a 10 from the tens place to add to the ones place in order to facilitate the subtraction. Subtracting 9 from 6 involves borrowing a 10 from the tens place, making the problem into +. This is indicated by crossing out the 8, writing a 7 above it, and writing a 1 above the 6.

  7. 81 Times Customer Support Chats Were Completely Useless - AOL

    www.aol.com/lifestyle/81-times-customer-support...

    Bored Panda has compiled a list of the most ridiculous times customer service chatbots or humans ... #5 Playstation Online Chat Support Won't Let You Use It Again, Even If Your Chat Crashed ...

  8. 40 Interesting Facts For Your Daily Dose Of New Knowledge ...

    www.aol.com/78-facts-today-learned-community...

    Other sources guess that around 50-70 families in the world carry the gene for fatal familial insomnia. This genetic condition is, unfortunately, incurable, and treatment can only slow down its ...

  9. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    A. 2 + 6 + 6 = 14 B. 3 + 3 + 8 = 14. In case 'A', there is no 'eldest child': two children are aged six (although one could be a few minutes or around 9 to 12 months older and they still both be 6). Therefore, when told that one child is the eldest, the census-taker concludes that the correct solution is 'B'. [3]

  1. Related searches 5'10 person next to 5'0 6 times 9 equals 72 50

    5'10 person next to 5'0 6 times 9 equals 72 50 divided6 times 9 equals 42