6 7 x 9 x 5 3 July 8, 2019 16 32 64 128 9 8 7 x 6 5 x 4 3 2 1 6 4 x 9 5 7 x 3 2 5 /( 7 6 x 9 10 x 4 3 2 7 x 9 3 6 5 x 8 2 1 x 25 x 6 x 7 9 2 5 3x 15 2 7 x 9 3 6 5 x 8 mũ 2 5 x 7 = 35 6 ' 7 x9 ' 10 6' 7 x 9'
