876 : 12 = 73
$\snippet{name: long_division, x: 876, y: 12}$
 
768 : 16 = 48
$\snippet{name: long_division, x: 768, y: 16}$
 
3791 : 17 = 223
$\snippet{name: long_division, x: 3791, y: 17}$
 
6688 : 19 = 352
$\snippet{name: long_division, x: 6688, y: 19}$
 
18998 : 14 = 1357
$\snippet{name: long_division, x: 18998, y: 14}$
 
14505 : 15 = 967
$\snippet{name: long_division, x: 14505, y: 15}$
 
90000 − 705 * 83 = 90000 − 58515 = 31485
1) $\snippet{name: column_multiplication, x: 705, y: 83}$;
2) $\snippet{name: op_column, sign: '-', x: '90000', y: '58515', z: '31485'}$.
 
80100 − 603 * 79 = 80100 − 47637 = 32463
1) $\snippet{name: column_multiplication, x: 603, y: 79}$;
2) $\snippet{name: op_column, sign: '-', x: '80100', y: '47637', z: '32463'}$.