Решите систему уравнений 6х=25у+1. 5х-16у=-4

moi dedushka jivet v odnom malenikom gorode

1 years ago, shells were used as money by a lot of north american indians.

2 since 1999, the euro was introduced in twelve european countries.

3 every year, a lot of old coins were bought and selled on the internet.

4 next year, euro notes with a picture of the queen on them been made in britain.

5 if you belong to a local 'time bank', you must remember that every transaction you make was recorded