(100000 − 58200) : 4 + 3 * 207 = 41800 : 4 + 621 = 10450 + 621 = 11071
1) $\snippet{name: op_column, sign: '-', x: '10000', y: '58200', z: '41800'}$;
2) $\snippet{name: long_division, x: 41800, y: 4}$;
3) $\snippet{name: column_multiplication, x: 207, y: 3}$;
4) $\snippet{name: op_column, sign: '+', x: '10450', y: '621', z: '11071'}$.
 
(20785 + 4043 + 5127) : (1000 − 995) = (24828 + 5127) : 5 = 29955 : 5 = 5991
1) $\snippet{name: op_column, sign: '+', x: '20785', y: '4043', z: '24828'}$;
2) $\snippet{name: op_column, sign: '+', x: '24828', y: '5127', z: '29955'}$;
3) 1000 − 995;
4) $\snippet{name: long_division, x: 29955, y: 5}$.
 
40062 * (105 : 5 * 246 − 516000 : 100) = 40062 * (21 * 246 − 5160) = 40062 * (5166 − 5160) = 40062 * 6 = 240372
1) $\snippet{name: long_division, x: 105, y: 5}$;
2) $\snippet{name: column_multiplication, x: 246, y: 21}$;
3) 516000 : 100 = 5160;
4) 5166 − 5160 = 6;
5) $\snippet{name: column_multiplication, x: 40062, y: 6}$.
 
(12030 − 618 : 3 * 5) : 1000 + 109 = (12030 − 206 * 5) : 1000 + 109 = (12030 − 1030) : 1000 + 109 = 11000 : 1000 + 109 = 11 + 109 = 120
1) $\snippet{name: long_division, x: 618, y: 3}$;
2) $\snippet{name: column_multiplication, x: 206, y: 5}$;
3) $\snippet{name: op_column, sign: '-', x: '12030', y: '1030', z: '11000'}$;
4) 11000 : 1000 = 11;
5) 11 + 109 = 120.