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February 15, 2025 at 06:57 AM
Shortcut: Squaring Any 2-Digit Number in Seconds ✅Step 1: Subtract 25 from the number → This gives the first two digits. ✅Step 2: Subtract 50 from the number → Square this result for the last two digits. ✅Step 3: If there’s a carryover, add it to Step 1’s result. 🔹 Example 1: Square of 51 • 51 - 25 = 26 (First part) • 51 - 50 = 1, Square of 1 = 01 (Last part) • Final Answer: 2601 🔹 Example 2: Square of 63 • 63 - 25 = 38 • 63 - 50 = 13, Square of 13 = 169 • Carryover (1) added to 38 → 39 • Final Answer: 3969

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