Question 663027


{{{(b+3)+6=b+3+6}}}..associative property

{{{7+(3+t)=7+3+t}}}..associative property

{{{9.(k.5)=9*k*5}}}..associative property..{{{9.(k.5)=45k}}}..commutative

{{{1+(h+2)=1+h+2}}}..associative property..{{{1+(h+2)=3+h}}}..commutative