17(10+3)=1730+1710 16(50+6)=1650+166 13(50+20)=1370+1320 18(40+3)=1840+183 44(70+1)=4570+447 89(80+10)=9995+8915
17(10+3)=1730+1710
16(50+6)=1650+166
13(50+20)=1370+1320
18(40+3)=1840+183
44(70+1)=4570+447
89(80+10)=9995+8915