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2. Subtraction - Wikipedia

   en.wikipedia.org/wiki/Subtraction

   Both these methods break up the subtraction as a process of one digit subtractions by place value. Starting with a least significant digit, a subtraction of the subtrahend: s j s j−1... s 1. from the minuend m k m k−1... m 1, where each s i and m i is a digit, proceeds by writing down m 1 − s 1, m 2 − s 2, and so forth, as long as s i ...

3. Standard algorithms - Wikipedia

   en.wikipedia.org/wiki/Standard_algorithms

   In elementary arithmetic, a standard algorithm or method is a specific method of computation which is conventionally taught for solving particular mathematical problems. . These methods vary somewhat by nation and time, but generally include exchanging, regrouping, long division, and long multiplication using a standard notation, and standard formulas for average, area, and vol

4. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   The sum of two numbers is unique; there is only one correct answer for a sums. [8] When the sum of a pair of digits results in a two-digit number, the "tens" digit is referred to as the "carry digit". [9] In elementary arithmetic, students typically learn to add whole numbers and may also learn about topics such as negative numbers and fractions.

5. Carry (arithmetic) - Wikipedia

   en.wikipedia.org/wiki/Carry_(arithmetic)

   Here, 7 − 9 = −2, so try (10 − 9) + 7 = 8, and the 10 is got by taking ("borrowing") 1 from the next digit to the left. There are two ways in which this is commonly taught: The ten is moved from the next digit left, leaving in this example 3 − 1 in the tens column.

6. Arithmetic - Wikipedia

   en.wikipedia.org/wiki/Arithmetic

   A similar technique is utilized for subtraction: it also starts with the rightmost digit and uses a "borrow" or a negative carry for the column on the left if the result of the one-digit subtraction is negative. [67] A basic technique of integer multiplication employs repeated addition.

7. Texans get 2 points on blocked extra point return vs ... - AOL

   www.aol.com/texans-2-points-rare-blocked...

   Houston's D'Angelo Ross returned a blocked extra point for two points in the fourth quarter of the Texans' wild-card playoff victory over the Los Angeles Chargers on Saturday — the first such ...