15,3 × 5,4 – 4,2 × (5,12 – 4,912) + 16,0036

Question

15,3 × 5,4 – 4,2 × (5,12 – 4,912) + 16,0036

Answer 1

15,3 × 5,4 – 4,2 × (5,12 – 4,912) + 16,0036 = 82.62-4.2*0.208+16,0036=82.62-0.8736+ 16,0036= 97.75

Answer 2

1)5,12-4,912=0,208
2)15,3*5,4=82,62
3)4,2*0,208=0,8736
4)82,62-0,8736=81,7464
5)81,7464+16,0036=97,75