(8 9 х) 3 4=8 5 July 8, 2019 16 32 64 128 9 8 3 4 5 8 9 x (- 3 8 4 5 7 9 x 3 4 5 8 (8 9+х) 3 4=8 5 9 x 8 = (8 9+×) 3 4=8 5
