$434 \overset{1}{*} 31 \overset{3}{+} 65 \overset{2}{*} 17 = 14559$
1) 434 * 31 = 13454
2) 65 * 17 = 1105
3) 13454 + 1105 = 14559

Вычисления:
1)
$\snippet{name: column_multiplication, x: 434, y: 31}$
2)
$\snippet{name: column_multiplication, x: 65, y: 17}$
3)
$\snippet{name: op_column, sign: '+', x: '13454', y: '1105', z: '14559 '}$

$179800 \overset{1}{:} 29 \overset{3}{-} 72 \overset{2}{*} 78 = 584$
1) 179800 : 29 = 6200
2) 72 * 78 = 5616
3) 6200 − 5616 = 584

Вычисления:
1)
$\snippet{name: long_division, x: 179800, y: 29}$
2)
$\snippet{name: column_multiplication, x: 72, y: 78}$
3)
$\snippet{name: op_column, sign: '-', x: '6200', y: '5616', z: '584 '}$

$(607 \overset{1}{-} 427) \overset{2}{*} 84 \overset{3}{:} 36 = 420$
1) 607 − 427 = 180
2) 180 * 84 = 15120
3) 15120 : 36 = 420

Вычисления:
1)
$\snippet{name: op_column, sign: '-', x: '607', y: '427', z: '180 '}$
2)

3)
$\snippet{name: long_division, x: 15120, y: 36}$

$68 \overset{2}{*} (256 \overset{1}{+} 144) \overset{3}{:} 340 = 80$
1) 256 + 144 = 400
2) 68 * 400 = 27200
3) 27200 : 340 = 80

Вычисления:
1)
$\snippet{name: op_column, sign: '+', x: '256', y: '144', z: '400 '}$
2)
$\snippet{name: op_column, sign: 'x', x: '68    ', y: '400', z: '27200 '}$
3)
$\snippet{name: long_division, x: 27200, y: 340}$