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  2. Brandt Mle 27/31 - Wikipedia

    en.wikipedia.org/wiki/Brandt_mle_27/31

    The Brandt mle 27/31 was a simple and effective weapon, consisting of a smoothbore metal tube fixed to a base plate (to absorb recoil), with a lightweight bipod mount. [14] The mle 27/31 could be disassembled into 3 loads, plus the ammunitions loads, [ 15 ] and a complete crew was 10 men.

  3. Simplification - Wikipedia

    en.wikipedia.org/wiki/Simplification

    Simplification is the process of replacing a mathematical expression by an equivalent one that is simpler (usually shorter), according to a well-founded ordering. Examples include:

  4. Nested radical - Wikipedia

    en.wikipedia.org/wiki/Nested_radical

    In the case of two nested square roots, the following theorem completely solves the problem of denesting. [2]If a and c are rational numbers and c is not the square of a rational number, there are two rational numbers x and y such that + = if and only if is the square of a rational number d.

  5. Irreducible fraction - Wikipedia

    en.wikipedia.org/wiki/Irreducible_fraction

    In the second step, they were divided by 3. The final result, ⁠ 4 / 3 ⁠, is an irreducible fraction because 4 and 3 have no common factors other than 1. The original fraction could have also been reduced in a single step by using the greatest common divisor of 90 and 120, which is 30. As 120 ÷ 30 = 4, and 90 ÷ 30 = 3, one gets

  6. Simpson's rule - Wikipedia

    en.wikipedia.org/wiki/Simpson's_rule

    Composite Simpson's 3/8 rule is even less accurate. Integration by Simpson's 1/3 rule can be represented as a weighted average with 2/3 of the value coming from integration by the trapezoidal rule with step h and 1/3 of the value coming from integration by the rectangle rule with step 2h. The accuracy is governed by the second (2h step) term.

  7. Missing dollar riddle - Wikipedia

    en.wikipedia.org/wiki/Missing_dollar_riddle

    This is instead a sum of a smaller amount the people could have paid ($9 × 3 people = $27), added with the additional money that the clerk would not have needed had they paid that smaller amount ($27 paid - $25 actual cost = $2). Another way to say this is, the $27 already includes the bellhop's tip. To add the $2 to the $27 would be to double ...

  8. SBB Ae 4/6 - Wikipedia

    en.wikipedia.org/wiki/SBB-CFF-FFS_Ae_4/6

    The Ae 4/6 had a simplified and lighter system, where one traction motor could serve as the exciter for the others during braking. They were also built with aluminium windings in the transformer and motors, rather than copper, owing to wartime shortages. Aluminium was also used for some parts of the frame and bodyshell. [2]

  9. Smith & Wesson Model 27 - Wikipedia

    en.wikipedia.org/wiki/Smith_&_Wesson_Model_27

    When first introduced by Smith & Wesson in 1935, it was known as the Registered Magnum. [citation needed] The model was essentially a custom-order revolver.Barrel lengths could be had in 1 ⁄ 4 inch (6.4 mm) increments from 3 + 1 ⁄ 2 to 8 + 3 ⁄ 4 inches (8.9 to 22.2 cm) inches in length.