2 5 3 14 6 ) July 8, 2019 16 32 64 128 6 14 2 5 x 3 7 gre 5 2 x 3 4 3 14 6 phần 7 5 2 x 3 7 3 14 chia 6 7 14÷ 3 का 2-(5-6) +9
