954+46-(970-(9+13-21))

Question

954+46-(970-(9+13-21))

Answer 1

954+46-(970-(9+13-21))=954+46-(970-1)=954+46-969=1000-969=31

Comments

а действие

---

по действием

Answer 2

954 + 46 - ( 970 - (9 + 13 - 21 )) = 954 + 46 - ( 970 - ( 22 - 21 )) = 954 + 46 - ( 970 - 1 ) = 954 + 46 - 969 = 1000 - 969 = 31

1.9 + 13 = 22
2.22 - 21 = 1
3.970 - 1 = 969
4.954 + 46 = 1000
5.1000 - 969 = 31