Class 10 maths board paper 2023 set 3 basic July 8, 2019 16 32 64 128 3 sinf matematika 2 bob 5 dars 3 sinf matematika 2 bob 6 dars 3 класс математика 20 сабак 3 sinf matematika 2 bob 20 dars 3 sinf matematika 5 боб 10 dars