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Undo revision 511242 by DirkB (Talk)Huh?
Multiplication and addition of [[real number]]s are the two most well-known [[commutative]] operations: They yield the same result, regardless of placement of numbers.
Multiplication and addition of [[number]]s are the two most well-known [[commutative]] operations: They yield the same result, regardless of placement of numbers.
:For example <big><math>3\times 2 = 2\times 3</math></big>.
:For example <big><math>3\times 2 = 2\times 3</math></big>.