47 + 24;
39 + 53;
82 − 43;
51 − 27;
100 − 23;
100 − 9;
67 + 33;
15 + 85.

$\snippet{name: op_column, sign: '+', x: '47', y: '24', z: '71'}$
$\snippet{name: op_column, sign: '+', x: '39', y: '53', z: '92'}$
$\snippet{name: op_column, sign: '-', x: '82', y: '43', z: '39'}$
$\snippet{name: op_column, sign: '-', x: '51', y: '27', z: '24'}$
$\snippet{name: op_column, sign: '-', x: '100', y: '23', z: '77'}$
$\snippet{name: op_column, sign: '-', x: '100', y: '9', z: '91'}$
$\snippet{name: op_column, sign: '+', x: '67', y: '33', z: '100'}$
$\snippet{name: op_column, sign: '+', x: '15', y: '85', z: '100'}$