Вычисли.
$\snippet{name: op_column, sign: '-', x: '84', y: '27', z: ' _ _'}$
$\snippet{name: op_column, sign: '+', x: '35', y: '48', z: ' _ _ '}$
$\snippet{name: op_column, sign: '-', x: '51', y: '9', z: ' _ _'}$
$\snippet{name: op_column, sign: '+', x: '24', y: '68', z: ' _ _ '}$
$\snippet{name: op_column, sign: '-', x: '90', y: '32', z: ' _ _'}$
$\snippet{name: op_column, sign: '+', x: '15', y: '77', z: ' _ _ '}$
$\snippet{name: op_column, sign: '-', x: '84', y: '27', z: '57 '}$
$\snippet{name: op_column, sign: '+', x: '35', y: '48', z: '83 '}$
$\snippet{name: op_column, sign: '-', x: '51', y: '9', z: '42 '}$
$\snippet{name: op_column, sign: '+', x: '24', y: '68', z: '92 '}$
$\snippet{name: op_column, sign: '-', x: '90', y: '32', z: '58 '}$
$\snippet{name: op_column, sign: '+', x: '15', y: '77', z: '92 '}$
