56 − (16 + 29) = 11
(38 + 49) − 18 = 69
(51 − 16) + (35 − 13) = 57
(48 + 50) − (63 + 17) = 18
Ответы в порядке увеличения: 11, 18, 57, 68.
Вычисления:
56 − (16 + 29) = 56 − 45 = 11
$\snippet{name: op_column, sign: '+', x: '16', y: '29', z: '45'}$
$\snippet{name: op_column, sign: '-', x: '56', y: '45', z: '11'}$
(38 + 49) − 18 = 87 − 18 = 69
$\snippet{name: op_column, sign: '+', x: '38', y: '49', z: '87'}$
$\snippet{name: op_column, sign: '-', x: '87', y: '18', z: '69'}$
(51 − 16) + (35 − 13) = 35 + 22 = 57
$\snippet{name: op_column, sign: '-', x: '51', y: '16', z: '35'}$
$\snippet{name: op_column, sign: '-', x: '35', y: '13', z: '22'}$
$\snippet{name: op_column, sign: '+', x: '35', y: '22', z: '57'}$
(48 + 50) − (63 + 17) = 98 − 80 = 18
$\snippet{name: op_column, sign: '+', x: '48', y: '50', z: '98'}$
$\snippet{name: op_column, sign: '+', x: '63', y: '17', z: '80'}$
$\snippet{name: op_column, sign: '-', x: '98', y: '80', z: '18'}$