Question

480480:24-4*(81-63):2=

Answer 1

1) 81-63 = 18
2) 480480:24 = 20020
3) 4*18:2 = 36
4) 20020-36 = 19984

Answer 2

480480:24-4*(81-63):2=20020-4*(18):2=20020-72:2=20020-36=19984