8 x 5 )- 4 x 2 )= 12 July 8, 2019 16 32 64 128 8 x 2 5 x 4 12 1 x 48 8 x 5 x 125 x 4 x 2 x 25 2 5 8 x 4 7 x 12 Tính nhanh 8 x 5 x 125 x 4 x 2 x 25 0 12 x 55 x 3 1 8 x 4 5 x 2 8 1 10 x 4 4 5 x 12 1 2 2^x + 8^x = 130
