567 : 7 + 120 = 81 + 120 = 201
1) $\snippet{name: long_division, x: 567, y: 7}$;
2) $\snippet{name: op_column, sign: '+', x: '81', y: '20', z: '30'}$.
 
300 − 729 : 9 = 300 − 81 = 219
1) $\snippet{name: long_division, x: 729, y: 9}$;
2) $\snippet{name: op_column, sign: '-', x: '300', y: '81', z: '219'}$.
 
192 * 5 − 208 * 2 = 960 − 416 = 544
1) $\snippet{name: column_multiplication, x: 192, y: 5}$;
2) $\snippet{name: column_multiplication, x: 208, y: 2}$;
3) $\snippet{name: op_column, sign: '-', x: '960', y: '416', z: '544'}$.
 
488 : 8 + 246 : 6 = 61 + 41 = 102
1) $\snippet{name: long_division, x: 488, y: 8}$;
2) $\snippet{name: long_division, x: 246, y: 6}$;
3) $\snippet{name: op_column, sign: '+', x: '61', y: '41', z: '102'}$.
 
700 − (530 − 162) : 4 = 700 − 368 : 4 = 700 − 92 = 608
1) $\snippet{name: op_column, sign: '-', x: '530', y: '162', z: '368'}$;
2) $\snippet{name: long_division, x: 368, y: 4}$;
3) $\snippet{name: op_column, sign: '-', x: '700', y: '92', z: '608'}$.
 
390 + 639 : (15 : 5) = 390 + 639 : 3 = 390 + 213 = 603
1) 15 : 5 = 3;
2) $\snippet{name: long_division, x: 639, y: 3}$;
3) $\snippet{name: op_column, sign: '+', x: '390', y: '213', z: '603'}$.