Условие:

1)
1000000 : 1000999;
1000000 : 1000 + 1;
42000020000;
28000 : 4 * 100.
2)
800139 * 4 + 244;
234 * 3 : 9;
1000678.

1000000 : 1000999 = 1000999 = 1;
1000000 : 1000 + 1 = 1000 + 1 = 1001;
42000020000 = 400000;
28000 : 4 * 100 = 7000 * 100 = 700000.