75×124-75×24=75x(124-24)=75x100=7500
=75x(124-24)=75x100=7500
=75×(124-24)=75×100=7500
75×124-75×24=75×(124-24)=75×100=100
75×124-75×24=75×(124-24)=75×100=7500