1) 129 786 + 637 215; 3) 752 517 - 267 906; 2) 7 006 418 547 +998 501 293; 4) 230 132 008 479 015 247.​

Ответ:

1) 129,786 + 637,215 = 766,001

2) 7,006,418,547 + 998,501,293 = 8,004,919,840

3) 752,517 - 267,906 = 484,611

4) The number 230,132,008,479,015,247 seems to be extremely large and exceeds the usual range of calculations. It is challenging to perform arithmetic operations with such a large number. However, if you need assistance with a specific calculation or operation involving this number, please let me know.

Пошаговое объяснение: