-
Mental calculation consists of
arithmetical calculations using only the
human brain, with no help from any
supplies (such as
pencil and paper) or devices...
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Arithmetic is an
elementary branch of
mathematics that
deals with
numerical operations like addition, subtraction, multiplication, and division. In a wider...
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Aurifeuillean factorization Congruum, the
shared difference of
three squares in
arithmetic progression Conjugate (algebra)
Factorization Complex or
imaginary numbers...
- to
solve than
regular sudokus,
depending on the solver's
skill at
mental arithmetic; the
hardest ones, however, can take
hours to solve. A
typical problem...
- reasoning,
abstract thinking,
critical thinking,
introspection and
mental arithmetic.
Cognitive skills vary in
processing complexity, and can
range from...
-
school activities to
learn bead
arithmetic as a
learning aid and a
stepping stone to
faster and more
accurate mental arithmetic, or as a
matter of cultural...
- with a mrad
reticle because the
mental arithmetic is much
simpler with
decimal units,
thereby requiring less
mental calculation in the field.
Using the...
- been
applied to
individuals with
prodigious powers of
mental arithmetic, also
known as
mental calculators.
Astronomers in
Renaissance times used that...
- and
behavioural symptoms. It is
implicated in
numerous neurological and
mental disorders, as well as short-term and long-term
changes in non-clinical executive...
- with
abysmal grades in most classes,
except for
mental arithmetic.
After one
session of
mental arithmetic, his
master said teasingly, "S****oon, it is a...