2 5 x 0 04 July 8, 2019 16 32 64 128 2 5 х 0 04 5 − x 2 0 04 7 5 x 2 5 x 0 04 2 0486 x 0 5 Tính nhanh 7 5 x 2 5 x 0 04 2 x 2 5 2 5×0 04 0 2 x 5
