Помогите плизз!!!!!!!!!!

Question

Помогите плизз!!!!!!!!!!

---

Answer 1

1)
5a*20b=100ab
100*4*68=27200

2)
4m*50n=200mn
200*22*34=149600

Answer 2

5•a•20•b если a=4;b=68:
5•4•20•68=400•68=27200

4•m•50•n если m=22;n=34:
4•22•50•34=149600