Вычисли.
$\snippet{name: op_column, sign: '+', x: '38', y: '14', z: ' '}$
$\snippet{name: op_column, sign: '-', x: '71', y: '49', z: ' '}$
$\snippet{name: op_column, sign: '+', x: '46', y: '37', z: ' '}$
$\snippet{name: op_column, sign: '-', x: '84', y: '65', z: ' '}$
$\snippet{name: op_column, sign: '+', x: '43', y: '28', z: ' '}$
$\snippet{name: op_column, sign: '+', x: '38', y: '14', z: '52 '}$
$\snippet{name: op_column, sign: '-', x: '71', y: '49', z: '22 '}$
$\snippet{name: op_column, sign: '+', x: '46', y: '37', z: '83 '}$
$\snippet{name: op_column, sign: '-', x: '84', y: '65', z: '19 '}$
$\snippet{name: op_column, sign: '+', x: '43', y: '28', z: '71 '}$