339 : 3 = 113
$\snippet{name: long_division, x: 339, y: 3}$
 

$(125 \overset{1}{+} 345) \overset{2}{*} 2 = 940$
1)
125 + 345 = 470
$\snippet{name: op_column, sign: '+', x: '125', y: '345', z: '470 '}$
2)
470 * 2 = 940
$\snippet{name: op_column, sign: 'x', x: '470', y: '2  ', z: '940 '}$
 

$120 \overset{1}{:} 3 \overset{3}{+} 219 \overset{2}{:} 3 = 113$
1)
120 : 3 = 40
2)
219 : 3 = 73
$\snippet{name: long_division, x: 219, y: 3}$
3)
40 + 73 = 113
$\snippet{name: op_column, sign: '+', x: '40', y: '73', z: '113 '}$
 

$125 \overset{1}{*} 2 \overset{3}{+} 345 \overset{2}{*} 2 = 940$
1)
125 * 2 = 250
$\snippet{name: column_multiplication, x: 125, y: 2}$
2)
345 * 2 = 690
$\snippet{name: column_multiplication, x: 345, y: 2}$
3)
$\snippet{name: op_column, sign: '+', x: '250', y: '690', z: '940 '}$
 

$(300 \overset{1}{+} 39) \overset{2}{:} 3 = 113$
1)
300 + 39 = 339
2)
339 : 3 = 113
$\snippet{name: long_division, x: 339, y: 3}$
 

$400 \overset{1}{*} 2 \overset{3}{+} 70 \overset{2}{*} 2 = 940$
1) 400 * 2 = 800
2) 70 * 2 = 140
3) 800 + 140 = 940
 

Ответ: