(23,437 + 7,9) − (1,41 − 0,53) = 31,337 − 0,88 = 30,457
1) $\snippet{name: op_column, sign: '+', x: '23,437', y: '7,900', z: '31,337'}$;
2) $\snippet{name: op_column, sign: '-', x: '1,41', y: '0,53', z: '0,88'}$;
3) $\snippet{name: op_column, sign: '-', x: '31,337', y: '0,880', z: '30,457'}$.

50 − (4,123 + 5,68 + 31,7) = 50 − (9,803 + 31,7) = 50 − 41,503 = 8,497
1) $\snippet{name: op_column, sign: '+', x: '4,123', y: '5,680', z: '9,803'}$;
2) $\snippet{name: op_column, sign: '+', x: '9,803', y: '31,700', z: '41,503'}$;
3) $\snippet{name: op_column, sign: '-', x: '50,000', y: '41,503', z: '8,497'}$.

55,28 + 6,438 − (8,6 + 0,738) = 55,28 + 6,438 − 9,338 = 61,718 − 9,338 = 52,38
1) $\snippet{name: op_column, sign: '+', x: '8,600', y: '0,738', z: '9,338'}$;
2) $\snippet{name: op_column, sign: '+', x: '55,280', y: '6,438', z: '61,718'}$;
3) $\snippet{name: op_column, sign: '-', x: '61,718', y: '9,338', z: '52,380'}$.

100,6 − (47,84 + 26,3) − 9,208 = 100,6 − 74,14 − 9,208 = 26,46 − 9,208 = 17,252
1) $\snippet{name: op_column, sign: '+', x: '47,84', y: '26,30', z: '74,14'}$;
2) $\snippet{name: op_column, sign: '-', x: '100,60', y: '74,14', z: '26,46'}$;
3) $\snippet{name: op_column, sign: '-', x: '26,460', y: '9,208', z: '17,252'}$.