Question

a) 45+7x[307-816:(9-5)]-8x1;

Answer 1

45+7x(307-816:4)-8x1
45+7x(307-204)-8x1
45+7x103-8x1
45+721-8
766-8
758

Answer 2

45 + 7 x [ 307 - 816 : ( 9 - 5 ) ] - 8 x 1 = 758
1) 9 - 5 = 4 
2) 816 : 4 = 204
3) 307 - 204 = 103
4) 7 * 103 = 721
5) 8 * 1 = 8 
6) 45 + 721 = 766
7) 766 - 8 = 758
Sper ca team ajutat!!!!!!!
Coroana?!