(320 : 8 − 30) : 2 + (578 : 17 + 87) : 11 = (40 − 30) : 2 + (34 + 87) : 11 = 10 : 2 + 121 : 11 = 5 + 11 = 16
1)
$\snippet{name: long_division, x: 320, y: 8}$
2)
$\snippet{name: long_division, x: 587, y: 17}$
3)
40 − 30 = 10
4)
34 + 84 = 121
5)
10 : 2 = 5
6)
$\snippet{name: long_division, x: 121, y: 11}$
7)
5 + 11 = 16

(395 * 52 − 603) * 25 − 960 : 24 = (20540 − 603) * 25 − 40 = 19937 * 25 − 40 = 498425 − 40 = 498385
1)
$\snippet{name: column_multiplication, x: 395, y: 52}$
2)
$\snippet{name: op_column, sign: '-', x: 20540, y: 603, z: 19937}$
3)
$\snippet{name: column_multiplication, x: 19937, y: 25}$
4)
$\snippet{name: long_division, x: 960, y: 24}$
5)
$\snippet{name: op_column, sign: '-', x: 498425, y: 40, z: 498385}$

395 * 52 − 603 * 25 − 960 : 24 = 20540 − 15075 − 40 = 5465 − 40 = 5425
1)
$\snippet{name: column_multiplication, x: 395, y: 52}$
2)
$\snippet{name: column_multiplication, x: 603, y: 25}$
3)
$\snippet{name: long_division, x: 960, y: 24}$
4)
$\snippet{name: op_column, sign: '-', x: 20540, y: 15075, z: 5465}$
5)
$\snippet{name: op_column, sign: '-', x: 5465, y: 40, z: 5425}$

256 * 407 − 33078 : 298 = 104192 − 111 = 104081
1)
$\snippet{name: column_multiplication, x: 256, y: 407}$
2)
$\snippet{name: long_division, x: 33078, y: 298}$
3)
$\snippet{name: op_column, sign: '-', x: 104192, y: 111, z: 104081}$