Răspuns:
1+ 2• (9²-2³•(2⁴-11¹))
1+ 2• (81-2³•(2⁴-11¹))
1+ 2• (81-8•(2⁴-11¹))
1+ 2• (81-8•(16-11¹))
1+ 2• (81-8•(16-11))
1+ 2• (81-8•5)
1+2•(81-40)
1+2•41
1+82
83
Explicație pas cu pas:
1^17 +2 ×[9^2 -2^3×( 2^4 11^1 )] =
1 + 2 × [ 81 - 8 × ( 16 - 11 ) =
1 + 2 × ( 81 - 8 × 5 ) =
1 + 2 × ( 81 - 40 ) =
1 + 2 × 41 =
1 + 82 = 83
