102 *8/4=
18*4/9=
15*6/10=
54/2*(69/23)=
18*4/(68/17)=
72/9*(36/3)=
102 *8/4=204
18*4/9=8
15*6/10=9
54/2*(69/23)=81
18*4/(68/17)=18
72/9*(36/3)=96
102*8/4=204 18*4/9=8 15*6/10=9 54/2*(69/23)=27*3=81 (18*4)/(68/17)=72/4=18 72/9*(36/3)=8*12=96