(10000 − 9260) : 4 + 3 * 156 = 740 : 4 + 468 = 185 + 468 = 653
1) $\snippet{name: op_column, sign: '-', x: '10000', y: '9620', z: '740'}$;
2) $\snippet{name: long_division, x: 740, y: 4}$;
3) $\snippet{name: column_multiplication, x: 156, y: 3}$;
4) $\snippet{name: op_column, sign: '+', x: '185', y: '468', z: '653'}$
 
(5231 − 4347) : (1000 − 974) = 884 : 26 = 34
1) $\snippet{name: op_column, sign: '-', x: '5231', y: '4347', z: '884'}$;
2) $\snippet{name: op_column, sign: '-', x: '1000', y: '974', z: '26'}$;
3) $\snippet{name: long_division, x: 884, y: 26}$.
 
42008 + (7050 − 6100) : 19 = 42008 + 950 : 19 = 42008 + 50 = 42058
1) $\snippet{name: op_column, sign: '-', x: '7050', y: '6100', z: '950'}$;
2) $\snippet{name: long_division, x: 950, y: 19}$;
3) $\snippet{name: op_column, sign: '+', x: '42008', y: '50', z: '42058'}$.
 
9600 − (2000 − 918 : 17) = 9600 − (2000 − 54) = 9600 − 1946 = 7654
1) $\snippet{name: long_division, x: 918, y: 17}$;
2) $\snippet{name: op_column, sign: '-', x: '2000', y: '54', z: '1946'}$;
3) $\snippet{name: op_column, sign: '-', x: '9600', y: '1946', z: '7654'}$.