-12345 x 5674 = -70,086,930-70,086,930 ÷ 2 = -35,043,465-35,043,465 x 54637 = -1,914,841,987,705-1,914,841,987,705 x 55566 = -106,559,490,571,330-106,559,490,571,330 ÷ 4 = -26,639,872,642,832.5
Ответ: -26,639,872,642,832.5
-12345 x 5674 = -70,086,930
-70,086,930 ÷ 2 = -35,043,465
-35,043,465 x 54637 = -1,914,841,987,705
-1,914,841,987,705 x 55566 = -106,559,490,571,330
-106,559,490,571,330 ÷ 4 = -26,639,872,642,832.5
Ответ: -26,639,872,642,832.5