Question

521=5×2×1-0÷1÷3÷5+a
vă rog​

Answer 1

Răspuns:

521=70 + a

521 - 70 = a=451

521 = 70 + 451

521 = 521

Answer 2

5×2×1-0÷1÷3÷5+a=521

1. 5*2=10
2. 10*1=10
3. 0/1=0
4. 0/3=0
5. 0/5=0
6. 10-0+a=521
7. 10+a=521
8. a=521-10
9. a=511

Răspuns:511