Make up and write down four differences in each of which the subtracted by 7 is more than the subtracted.

In the condition of the problem it is said that the reduced must be seven more than the subtracted, then the difference must be equal to seven, that is, the expressions must be composed as follows: Reduced-Subtracted = 7. Such differences can be:
1.30-23 = 7;
2.14-7 = 7;
3.8-1 = 7;
4.100-93 = 7.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.