Use letters to express the law of multiplication, a &; B=__ ,(a•b)•c=____ ,a•(b+c)=___ . | Math enthusiast | Mathematical art

Use letters to express the law of multiplication, a &; B= ,(a•b)•c= ,a•(b+c)=_ .

The law of multiplication is represented by letters,
a•b=_ b•a_,
(a•b)•c=_ a•b•c___ ,
a•(b+c)=_ a•b+a•c__ .

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