К = 559 − 172 = 387
$\snippet{name: op_column, sign: '-', x: '559', y: '172', z: '387'}$
 
И = 428 − 76 = 352
$\snippet{name: op_column, sign: '-', x: '428', y: '76', z: '352'}$
 
П = 341 − 5 = 336
$\snippet{name: op_column, sign: '-', x: '341', y: '5', z: '336'}$
 
Д = 800 − 714 = 86
$\snippet{name: op_column, sign: '-', x: '800', y: '714', z: '86'}$
 
Е = 612 − 318 = 294
$\snippet{name: op_column, sign: '-', x: '612', y: '318', z: '294'}$
 
Р = 235 − 159 = 76
$\snippet{name: op_column, sign: '-', x: '235', y: '159', z: '76'}$
 
Й = 920 − 247 = 673
$\snippet{name: op_column, sign: '-', x: '920', y: '247', z: '673'}$
 
А = 705 − 65 = 640
$\snippet{name: op_column, sign: '-', x: '705', y: '65', z: '640'}$
 
Э = 138 + 26 + 275 = 439
$\snippet{name: op_column_rows, args: ['138', '+26', '275'], solution: '439'}$
 
У = 79 + 18 + 420 = 517
$\snippet{name: op_column_rows, args: ['79', '+18', '420'], solution: '517'}$
 
С = 3 + 29 + 314 = 32 + 314 = 346
$\snippet{name: op_column_rows, args: ['3', '+29', '314'], solution: '346'}$
 
Н = 58 + 6 + 343 = 64 + 343 = 407
$\snippet{name: op_column_rows, args: ['6', '+58', '343'], solution: '407'}$
 

Ответ: ЭДУАРД УСПЕНСКИЙ − советский и российский писатель