Question

1- 54*47 2- 654*47 3- 128/64

Answer 1

1. 54×472=25488
2. 1 - 25488=-25487
3. 654×473=309342
4. -25487-309342=-334829
5. 128/64=2
6. -334829-2=-334831
ответ÷ -334831

Answer 2

Sure, here are the results of the calculations:

1. 54 * 47 = 2538
2. 654 * 47 = 30738
3. 128 / 64 = 2

If you have any more calculations or questions, feel free to ask!