(48 + 27) + 3 = 48 + (27 + 3) = 78
(254 + 86) + 14 = 254 + (86 + 14) = 354
(57 + 692) + 8 = 57 + (692 + 8) = 757
(399+ 299) + 1 = 399 + (299 + 1) = 699
Вычисления:
(48 + 27) + 3 = 48 + (27 + 3) = 78
$\snippet{name: op_column, sign: '+', x: '27', y: '3', z: '30'}$
$\snippet{name: op_column, sign: '+', x: '48', y: '30', z: '78'}$
(254 + 86) + 14 = 254 + (86 + 14) = 354
$\snippet{name: op_column, sign: '+', x: '86', y: '14', z: '100'}$
$\snippet{name: op_column, sign: '+', x: '254', y: '100', z: '354'}$
(57 + 692) + 8 = 57 + (692 + 8) = 757
$\snippet{name: op_column, sign: '+', x: '692', y: '8', z: '700'}$
$\snippet{name: op_column, sign: '+', x: '57', y: '700', z: '757'}$
(399+ 299) + 1 = 399 + (299 + 1) = 699
$\snippet{name: op_column, sign: '+', x: '299', y: '1', z: '300'}$
$\snippet{name: op_column, sign: '+', x: '399', y: '300', z: '699'}$