3 7 10 x 2 1 4 July 8, 2019 16 32 64 128 1 1 7 x 10 1 2 x 6 3 4 7 10 1 4 x 3 5 2 5 7 10 divided by 3 4 x 1 2 4 x 3 )= 7 mũ 2 1 mũ 10 2 3/7 - 10 х 1/2 3 7 x 10 3 7×10 10 4 3 - 7