词条 | Fundamental laws of arithmetic |
释义 | Fundamental laws of arithmetic Table Fundamental laws of arithmetic Commutative law of addition: a + b = b + a Associative law of addition: a + ( b + c ) = ( a + b ) + c Commutative law of multiplication: a b = b a Associative law of multiplication: a ( b c ) = ( a b ) c Distributive law: a ( b + c ) = a b + a c See as table: ![]() See as table: ![]() |
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