Вычисления:
72 : 8 = 9
68 − 68 = 0
$\snippet{name: op_column, sign: '-', x: '68', y: '68', z: '0'}$
39 + 7 = 46
$\snippet{name: op_column, sign: '+', x: '39', y: '7', z: '46'}$
63 : 7 = 9
1 * 9 = 9
48 − 9 = 39
$\snippet{name: op_column, sign: '-', x: '48', y: '9', z: '39'}$
6 * 1 = 6
0 : 8 = 0
61 − 8 = 53
$\snippet{name: op_column, sign: '-', x: '61', y: '8', z: '53'}$
54 − 0 = 54
0 + 99 = 99
33 − 5 = 28
$\snippet{name: op_column, sign: '-', x: '33', y: '5', z: '28'}$