2294,502 : 4,2 − 452,8 = 93,51
Проверка:
2294,502 : 4,2 − 452,8 = 546,31 − 452,8 = 93,51
1)
$\snippet{name: long_division, x: 2294.502, y: 4.2, decimal: true}$
2)
$\snippet{name: op_column, sign: '-', x: '546.31', y: '452.80', z: '93.51'}$

0,546 + 2,08 + 26 * 0,44 = 14,066
Проверка:
0,546 + 2,08 + 26 * 0,44 = 2,626 + 11,44 = 14,066
1)
$\snippet{name: op_column, sign: '+', x: '0.546', y: '2.080', z: '2.626'}$
2)
$\snippet{name: column_multiplication, x: 0.44, y: 26}$
3)
$\snippet{name: op_column, sign: '+', x: '0.546', y: '2.080', z: '2.626'}$

74,11 + 298,62 : 3,5 = 159,43
Проверка:
74,11 + 298,62 : 3,5 = 74,11 + 85,32 = 159,43
1)
$\snippet{name: long_division, x: 298.62, y: 3.5, decimal: true}$
2)
$\snippet{name: op_column, sign: '+', x: '74.11', y: '85.32', z: '159.43'}$

1,8 * (9,28 − 7,9264) = 2,43648
Проверка:
1,8 * (9,28 − 7,9264) = 1,8 * 1,3536 = 2,43648
1)
$\snippet{name: op_column, sign: '-', x: '9.2800', y: '7.9264', z: '1.3536'}$
2)
$\snippet{name: column_multiplication, x: 1.3536, y: 1.8}$