3,5 * (8,68 + 1,136) − 135,531 : 33,3 = 3,5 * 9,816 − 4,07 = 34,356 − 4,07 = 30,286
1) $\snippet{name: op_column, sign: '+', x: '8,680', y: '1,136', z: '9,816'}$;
2) $\snippet{name: column_multiplication, x: 3.5, y: 9.816}$;
3) $\snippet{name: long_division, x: 135.531, y: 33.3}$;
4) $\snippet{name: op_column, sign: '-', x: '34,356', y: '4,07', z: '30,286'}$.

(8,94 + 9,39) : (7,57 − 1,4 * 2,05) = 18,33 : (7,57 − 2,87) = 18,33 : 4,7 = 3,9
1) $\snippet{name: op_column, sign: '+', x: '8,94', y: '9,39', z: '18,33'}$;
2) $\snippet{name: column_multiplication, x: 1.4, y: 2.05}$;
3) $\snippet{name: op_column, sign: '-', x: '7,57', y: '2,87', z: '4,7'}$;
4) $\snippet{name: long_division, x: 18.33, y: 4.7}$.

46,08 : (1,5 − 1,116) * 0,04 + 44,8 = 46,08 : 0,384 * 0,04 + 44,8 = 120 * 0,04 + 44,8 = 4,8 + 44,8 = 49,6
1) $\snippet{name: op_column, sign: '-', x: '1,500', y: '1,116', z: '0,384'}$;
2) $\snippet{name: long_division, x: 46.08, y: 0.384}$;
3) $\snippet{name: column_multiplication, x: 120, y: 0.04}$;
4) $\snippet{name: op_column, sign: '+', x: '44,8', y: '4,8', z: '49,6'}$.

8,364 : (8 − 3,92) − 2,05 * 0,4 = 8,364 : 4,08 − 0,82 = 2,05 − 0,82 = 1,23
1) $\snippet{name: op_column, sign: '-', x: '8,00', y: '3,92', z: '4,08'}$;
2) $\snippet{name: long_division, x: 8.364, y: 4.08}$;
3) $\snippet{name: column_multiplication, x: 2.05, y: 0.4}$;
4) $\snippet{name: op_column, sign: '-', x: '2,05', y: '0,82', z: '1,23'}$.