2,02 * 0,45 + 5,0505 * 2 + 39,1 * 0,01 = 0,909 + 10,101 + 0,391 = 11,010 + 0,391 = 11,401
1) $\snippet{name: column_multiplication, x: 2.02, y: 0.45}$;
2) $\snippet{name: column_multiplication, x: 5.0505, y: 2}$;
3) 39,1 * 0,01 = 0,391;
4) $\snippet{name: op_column, sign: '+', x: '0,909', y: '10,101', z: '11,010'}$;
5) $\snippet{name: op_column, sign: '+', x: '11,010', y: '0,391', z: '11,401'}$.

(8 − 5 * 0,25) − (4,7 + 5,6 * 0,125) * 0,1 = (8 − 1,25) − (4,7 + 0,7) * 0,1 = 6,75 − 5,4 * 0,1 = 6,75 − 0,54 = 6,21
1) $\snippet{name: column_multiplication, x: 0.25, y: 5}$;
2) $\snippet{name: op_column, sign: '-', x: '8,00', y: '1,25', z: '6,75'}$;
3) $\snippet{name: column_multiplication, x: 5.6, y: 0.125}$;
4) $\snippet{name: op_column, sign: '+', x: '4,7', y: '0,7', z: '5,4'}$;
5) 5,4 * 0,1 = 0,51;
6) $\snippet{name: op_column, sign: '-', x: '6,75', y: '0,54', z: '6,21'}$.

(6 − 1,96) * (10,2 − 5,7) + (6,8 + 2,6) * (0,37 + 0,03) = 4,04 * 4,5 + 9,4 * 0,4 = 18,18 + 3,76 = 21,94
1) $\snippet{name: op_column, sign: '-', x: '6,00', y: '1,96', z: '4,04'}$;
2) $\snippet{name: op_column, sign: '-', x: '10,2', y: '5,7', z: '4,5'}$;
3) $\snippet{name: op_column, sign: '+', x: '6,8', y: '2,6', z: '9,4'}$;
4) $\snippet{name: column_multiplication, x: 4.04, y: 4.5}$;
5) $\snippet{name: column_multiplication, x: 9.4, y: 0.4}$;
6) $\snippet{name: op_column, sign: '+', x: '18,18', y: '3,76', z: '21,94'}$.

(1 − 0,34) * (2 − 0,75) + 1,05 * (4,882 + 3,018) = 0,66 * 1,25 + 1,05 * 7,9 = 0,825 + 8,295 = 9,12
1) $\snippet{name: op_column, sign: '-', x: '1,00', y: '0,34', z: '0,66'}$;
2) $\snippet{name: op_column, sign: '-', x: '2,00', y: '0,75', z: '1,25'}$;
3) $\snippet{name: op_column, sign: '+', x: '4,882', y: '3,018', z: '7,900'}$;
4) $\snippet{name: column_multiplication, x: 0.66, y: 1.25}$;
5) $\snippet{name: column_multiplication, x: 1.05, y: 7.9}$;
6) $\snippet{name: op_column, sign: '+', x: '0,825', y: '8,295', z: '9,120'}$.