1*2*3*4*5*6*7*8*9 помогите

Question

1*2*3*4*5*6*7*8*9 помогите

Answer 1

7257600

1. 1*2=2

2.2*2=4

3. 4*3=12

4. 12*4=48

5. 45*5=240

6. 240*6=1440

7. 1440*7=10080

8. 10080*8=80640

9. 80640*9=725760

10. 725760*10= 7257600