(47,28-34,98)+(55,02+34,98)
(47,28-34,98)+(55,02+34,98)=12,30+90=102,30
(47.28-34.98)+(55.02+34.98)=102.3
1)47.28-34.98=12.3
2)55.02+34.98=90
3)12.3+90=102.3