delete 425/labi_nachalo

update 425/labs_3_Zaytsev_Dmitriy

create 425/labs_3_Zaytsev_Dmitriy

update 425/labs_1_Zaytsev_Dmitriy.txt

update 425/labs_2_Zaytsev_Dmitriy.txt

create 425/labs_4_Zaitsev_dmitiry

labi

delete labs_1.txt

delete labs_2.txt

labi

create 425/labi_nachalo