1. 125678 + 68409 = 194087
2. 401600 - 129871 = 271729
3. 4983 \(\times\) 670 = 3338610
4. 578 \(\times\) 345 = 199410
5. 398027 + 4793 = 402820
6. 4097 \(\times\) 60 = 245820
7. 236004 - 5996 = 230008
8. 27090 : 45 = 602
9. 24486 : 106 = 231
10. 94953 - 15038 = 79915
11. 73 \(\times\) 407 = 29711
12. 79915 + 1009 = 80924
Ответ: 194087; 271729; 3338610; 199410; 402820; 245820; 230008; 602; 231; 80924.