Question

Заполните пустые квадраты:
1. (х+3)×□=5х+□
2. (1,4-у)×□=□-2у
3. (□х+1/3)×6=12х+□
4. (□-4у)×2=6-□у
5. (2,5+□х)×4=□12х
6. (3/4х+2)×□=□х+8