Первое, на мой взгляд, это то, что

Первое, на мой взгляд, это то, что при раздельном обучении учитываются особенности психического и биологического развития детей.
Второе, это то, что у мальчиков и девочек свои особенности мышления и они по-разному усваивают информацию, которую получают на уроке. Тем самым нужно использовать разные приёмы и методы преподавания.
Третье, что хотелось бы отметить, это то, что на уроках мальчики не будут отвлекаться на девочек, пытаясь получить их внимание, а наоборот, будут больше сосредотачиваться на учёбе.

Результаты (английский) 1:

First, in my opinion, it's that when segregation of peculiarities, mental and biological development of children.Second, this is what boys and girls their particular ways of thinking and they assimilate information differently, which is obtained at a lesson. Thus you need to use different techniques and teaching methods.The third thing I would note is that the boys in the classroom will not be distracted by girls, trying to get their attention, but, on the contrary, there will be more focus on her studies.

Результаты (английский) 2:

First, in my opinion, is that the case of separate training tailored to the particular psychological and biological development of children.
The second thing is that the boys and girls have their own characteristics and they are thinking differently assimilate the information obtained in class. Thus, you need to use different techniques and methods of teaching.
The third thing I would like to point out is that the lessons of the boys will not be distracted by girls trying to get their attention, but on the contrary, will focus more on their studies.

Результаты (английский) 3:

first, in my opinion, is that the separation of the training takes into account the particular psychological and biological development of children.the second is that boys and girls in their particular ways of thinking and their different absorption of information given in class. thus we need to use different techniques and methods of teaching.third, i would like to point out is that in the class the boys will not be distracted by the girls trying to get their attention, but on the contrary, will be more focus on your studies.