Keywords: abacus beads subtraction subtract difference computation indoor photo border I'm now subtracting 8 in the 8th position from the left. This is done in 2 steps: subtract 10, add 2. In this step I add 2. CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. I'm now subtracting 8 in the 8th position from the left. This is done in 2 steps: subtract 10, add 2. In this step I add 2. CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. |