Условие:

Выполните действия.
820 − 5 * 12
13 * 11 + 77 * 11
(630 + 270 : 9) : 2
465 102 + 559 − 10 299
240 : 3 + 150 * 3
3 * 120 − 200 : 5
730 − (170 + 290)
1 010 101 − (782 + 18 927)

820 − 5 * 12 = 760
13 * 11 + 77 * 11 = 990
(630 + 270 : 9) : 2 = 330
465 102 + 559 − 10 299 = 455 362
240 : 3 + 150 * 3 = 530
3 * 120 − 200 : 5 = 320
730 − (170 + 290) = 270
1 010 101 − (782 + 18 927) = 990 392
Вычисления:
$\snippet{name: op_column, sign: '‧', x: '12', y: '5', z: '60'}$
$\snippet{name: op_column, sign: '-', x: '820', y: '60', z: '760'}$


$\snippet{name: op_column, sign: '+', x: '143', y: '847', z: '990'}$
270 : 9 = 27 * 10 : 9 = 27 : 9 * 10 = 3 * 10 = 30
$\snippet{name: op_column, sign: '+', x: '630', y: '30', z: '660'}$
$\snippet{name: long_division, x: 660, y: 2}$
$\snippet{name: op_column, sign: '+', x: '465 102', y: '559', z: '465 661'}$
$\snippet{name: op_column, sign: '-', x: '465 661', y: '10 299', z: '455 362'}$
240 : 3 = 24 * 10 : 3 = 24 : 3 * 10 = 8 * 10 = 80
$\snippet{name: op_column, sign: '‧', x: '150', y: '3', z: '450'}$
$\snippet{name: op_column, sign: '+', x: '450', y: '80', z: '530'}$
$\snippet{name: op_column, sign: '.', x: '120', y: '3', z: '260'}$
200 : 5 = 20 * 10 : 5 = 20 : 5 * 10 = 4 * 10 = 40
$\snippet{name: op_column, sign: '-', x: '360', y: '40', z: '320'}$
$\snippet{name: op_column, sign: '+', x: '170', y: '290', z: '460'}$
$\snippet{name: op_column, sign: '-', x: '730', y: '460', z: '270'}$
$\snippet{name: op_column, sign: '+', x: '782', y: '18 927', z: '19 709'}$
$\snippet{name: op_column, sign: '-', x: '1 010 101', y: '19 709', z: '990 392'}$