1) 5,12-4,912= 0,208
2) 4,2 ×0,208=0,8736
3) 15,3×5,4=82,62
4) 82,62+0,8736=83,4936
5) 83,4936+16,0036=99,4972
1) 5,12-4,912= 0,208
2) 4,2 ×0,208=0,8736
3) 15,3×5,4=82,62
4) 82,62+0,8736=83,4936
5) 83,4936+16,0036=99,4972