102,093 − (47,123 + 5,68 + 31,7) = 102,093 − 84,503 = 17,590
$\snippet{name: op_column_rows, args: ['47,123   ', '+5,680   ', '31,700   '], solution: '84,503'}$
 
$\snippet{name: op_column, sign: '-', x: '102,093', y: '84,503', z: '17,590'}$

55,28 + 76,438 − (8,6 + 0,738) = 55,28 + 76,438 − 9,338 = 131,718 − 9,338 = 122,38
$\snippet{name: op_column, sign: '+', x: '8,600', y: '0,738', z: '9,338'}$
 
$\snippet{name: op_column, sign: '+', x: '55,280', y: '76,438', z: '131,718'}$
 
$\snippet{name: op_column, sign: '-', x: '131,718', y: '9,338', z: '122,380'}$

100,6 − (47,84 + 26,38) − 9,208 = 100,6 − 74,22 − 9,208 = 26,38 − 9,208 = 17,172
$\snippet{name: op_column, sign: '+', x: '47,84', y: '26,38', z: '74,22'}$
 
$\snippet{name: op_column, sign: '-', x: '100,60', y: '74,22', z: '26,38'}$
 
$\snippet{name: op_column, sign: '-', x: '26,380', y: '9,208', z: '17,172'}$