6 4 x 10 1 July 8, 2019 16 32 64 128 6 4 x 10 15 3 6 3 4 x 10 1 2 6 3 4 x 10 1 4 6 4x 10 1 36 4x 6 4x 10 180 6 10 x 4 10 4 x 6 10 x 15 cm 6 7 10 x 1 4 3 x 10 6 4 x 10 2 6 x 10 8 x 4 x 10 4 11 3 4 x 10 5 6 4 2 5 6 10 x 1 3 20 4 6 x 10 12 6( + 4) - 10 = (4 x + 16) 4 6 8 10 x 130