348
Obunachilar
+124 soatlar
+37 kun
+430 kun
Postlar arxiv
https://drive.google.com/drive/folders/1o0suY83AYBCw_iYJlfPzq9kXC2ZvHH3C
Previous year question papers
maths 1b Differentiation first principle pakka 4 marks: https://www.youtube.com/playlist?list=PL62wO-G3CaCDD4WAxKz_C7JZdGwAwsN9y
