Expected: (1+9+2 * 9) & 1e1 -abs(1+(2-5)-9)* sin(3 + 9) / 2.1 = 296196766695427
-> Your Result = 296196766695426.81062004666895 is not accepted!

and each of the nine 3x3 sub-grids (also known as blocks) contain all of the digits from 1 to 9.

{1, 2, 3,                                     4, 5, 6,                    7, 8, 9}
{2, 3, 1,  <----- pretty obvious              5, 6, 4,                    8, 9, 7}
{3, 1, 2,                    ----------->     6, 4, 5,                    9, 7, 8}
                              and here
                                                                            ^
{4, 5, 6, 7, 8, 9, 1, 2, 3}                                                 |  here, too.
{5, 6, 4, 8, 9, 7, 2, 3, 1}
{6, 4, 5, 9, 7, 8, 3, 1, 2}
{7, 8, 9, 1, 2, 3, 4, 5, 6}
{8, 9, 7, 2, 3, 1, 5, 6, 4}
{9, 7, 8, 3, 1, 2, 6, 4, 5}

Not an issue.

Test:
{1, 2, 3, 4, 5, 6, 7, 8, 9}
{2, 3, 1, 5, 6, 4, 8, 9, 7}
{3, 1, 2, 6, 4, 5, 9, 7, 8}
{4, 5, 6, 7, 8, 9, 1, 2, 3}
{5, 6, 4, 8, 9, 7, 2, 3, 1}
{6, 4, 5, 9, 7, 8, 3, 1, 2}
{7, 8, 9, 1, 2, 3, 4, 5, 6}
{8, 9, 7, 2, 3, 1, 5, 6, 4}
{9, 7, 8, 3, 1, 2, 6, 4, 5}
Expected: False
But... It's returns true;

{1, 2, 3,                                     4, 5, 6,                    7, 8, 9}
{2, 3, 1,  <----- pretty obvious              5, 6, 4,                    8, 9, 7}
{3, 1, 2,                    ----------->     6, 4, 5,                    9, 7, 8}
                              and here
                                                                            ^
{4, 5, 6, 7, 8, 9, 1, 2, 3}                                                 |  here, too.
{5, 6, 4, 8, 9, 7, 2, 3, 1}
{6, 4, 5, 9, 7, 8, 3, 1, 2}
{7, 8, 9, 1, 2, 3, 4, 5, 6}
{8, 9, 7, 2, 3, 1, 5, 6, 4}
{9, 7, 8, 3, 1, 2, 6, 4, 5}

Not an issue.

not an issue. Read the specs of the sudoku game again.

Test:
{1, 2, 3, 4, 5, 6, 7, 8, 9}
{2, 3, 1, 5, 6, 4, 8, 9, 7}
{3, 1, 2, 6, 4, 5, 9, 7, 8}
{4, 5, 6, 7, 8, 9, 1, 2, 3}
{5, 6, 4, 8, 9, 7, 2, 3, 1}
{6, 4, 5, 9, 7, 8, 3, 1, 2}
{7, 8, 9, 1, 2, 3, 4, 5, 6}
{8, 9, 7, 2, 3, 1, 5, 6, 4}
{9, 7, 8, 3, 1, 2, 6, 4, 5}
Expected: False
But was: True