81 : 9 + 26 * 6 − 144 : 72 = 163
4 * 18 − 9 − 32 : 8 + 111 * 8 = 947
(25 * 3 : 15) * (48 * 2 : 16) = 30
(12 * 7 : 42) * (16 * 6 : 24) = 8
Вычисления:
81 : 9 + 26 * 6 − 144 : 72 = 163
1)
$\snippet{name: long_division, x: 81, y: 9}$
2)

3)
$\snippet{name: long_division, x: 144, y: 72}$
4)
$\snippet{name: op_column, sign: '+', x: '9', y: '156', z: '165'}$
5)
$\snippet{name: op_column, sign: '-', x: '165', y: '2', z: '163'}$
4 * 18 − 9 − 32 : 8 + 111 * 8 = 947
1)

2)
$\snippet{name: long_division, x: 32, y: 8}$
3)

4)
$\snippet{name: op_column, sign: '-', x: '72', y: '9', z: '63'}$
5)
$\snippet{name: op_column, sign: '-', x: '63', y: '4', z: '59'}$
6)
$\snippet{name: op_column, sign: '+', x: '59', y: '888', z: '947'}$
(25 * 3 : 15) * (48 * 2 : 16) = 30
1)

2)
$\snippet{name: long_division, x: 75, y: 15}$
3)

4)
$\snippet{name: long_division, x: 96, y: 16}$
5) 5 * 6 = 30
(12 * 7 : 42) * (16 * 6 : 24) = 8
1)

2)
$\snippet{name: long_division, x: 84, y: 42}$
3)

4)
$\snippet{name: long_division, x: 96, y: 24}$
5) 2 * 4 = 8