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Division by a near-10 divisor: transpose the sub-digits of the divisor (negate them) and use them as a flag that helps you divide step by step.
Live Demo— animated step-by-step
transpose & apply↓
1
2
divide by
|1
flag (negated)
-2
1
Transpose the divisor into a flag
Divisor 12: keep the leading 1 as the divider, transpose the rest (2) to a negative flag (-2).
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⚡ Speed Advantage
Vedic
3 steps
Traditional
12 steps
4× faster with Vedic Mathematics