Question

помогите решить!!!20×(40+999)×54+3453-4433×4=???

Answer 1

20×(40+999)×54+3453-4433×4=1117841
1)40+999=1039
2)20×1039=20780
3)20780×54=1122120
4)1122120+3453=1125573
5)4433×4=17732
6)1125573-17732=1117841