13 5 x 3 7 July 8, 2019 16 32 64 128 13 2 5 7 x 3 9 13 21 x 2 5 7 3 14 5 x 7 )= 3 x 4 )- 13 5 7x 13 4x 5 x 3 13 7 x 3 k 5 7x 13 )- 3 x 5 18 5 x 13 3 x 7 8 po en cm 5 x 7 = 35 13 5 x 35 13 5 x 7
