Mathematics for adult people (up 18 y.o.)

mathematics balaavrian i need to explain my students how they need to decide their execise We can start from primarly school and to end last course of balacavrian We can start from primarly school and to end last course of balacavrian

I think it is very strange protecrion from frod))) mathematics balaavrian i need to explain my students how they need to decide their execise We can start from primarly school and to end last course of balacavrian