4 2 5 x 2 3 10 July 8, 2019 16 32 64 128 2 4 5 x 1 3 10 (( 7 5 2 2 x 3 4 10 4 2 8 2 x 10 3 2 5 2 3 8 5 x 2 13 )= 10 4 6 x 4 5 2 10 x 2 3 2 5 x 9 10 )=- 2 3 4 3x 2 5 3 2 4 x 10 4 5/23+x=10 2 x 2 5 4 2 5 − 3