5*((4-3)-(2-1))=05*(4-3-(2-1))=05:(4+3-2)-1=05:(4+(3-2))-1=0(5-4):(3-2)-1=05-4:(3-2)-1=0(5+4):3-2-1=05:(4:(3-2-1))=0(5-4)*3-2-1=0(5-4)*(3-2)-1=0(5-4*(3-2))-1=0(5-4)*(3-2-1)=0(5+4)*(3-2-1)=0(5:4)*(3-2-1)=05:4*(3-2-1)=0(5*4)*(3-2-1)=05*4*(3-2-1)=05*(4*(3-2-1))=05*(4-(3+2-1))=05*(4-(3+(2-1)))=05-(4*3:2-1)=05-(4*(3:2)-1)=05*(4-3-2+1)=05-(4:(3-2)+1)=0((5+4):3)-(2+1)=0(5+4):3-(2+1)=05:(4:(3-(2+1)))=0((5-4)*3)-(2+1)=05-(4*(3-2)+1)=0(5-4)*3-(2+1)=0(5-4)*(3-(2+1))=0