there are about 5. here is my favourite that i know and it is called the column method ,
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Not necessarily. Both methods involve work, so neither really is a shortcut for each other.
Different math questions require different methods to solve.
the different names for add are :PlusSumIncreaseMore ThanGreater ThanGainRaiseTotalAll Together
compare how compensation is different in addition and subtraction
there are multiplication, subtraction, addition, and division!