Răspuns:
3666
Explicație pas cu pas:
[10270-(72:9+ 6 x 5): 2]: 17+ [9 000 - (91 x 190 - 18 x 81) : 4:2x3] =
= [10270-(8+30):2]:17+[9000-(17290-1458):4:2x3] =
= [10270-38:2]:17+[9000-15832:4:2x3] =
= (10270-19):17+(9000-3958:2x3) =
= 10251:17 + (9000-1979x3) =
= 603 + (9000 - 5937) =
= 603 + 3063 = 3666