Question

(22*44-11*20-10*10):8

Answer 1

(22 х 44 - 11 х 20 - 10 х 10) : 8 = 81
1) 22 х 44 = 968
2) 11 * 20 = 220
3) 10 х 10 = 100
4) 968 - 220 = 748
5) 748 - 100 = 648
6) 648 : 8 = 81