5 (- 2n 4 ) 2 n 3 simplified July 8, 2019 16 32 64 128 5 (- 2n 4 )+ 2 n 3 simplified 5 sinf matematika 2 qism 398 2 + 3 + 4 + 5 + 6 5 sinf matematika 2 qism 39 bet 5 sinf matematika 2 qism 397 misol