Squaresवर्ग वर्गSquares
Squares to 50, and the near-100 base trick.
Trick card
Near 100, and numbers ending in 5
Near 100: note how far the number is from 100 (97 is 3 below). Take that gap off the number (97 − 3 = 94) and write the gap squared as two digits after it (09).
Ending in 5: multiply the tens digit by the next number up, then write 25 (65² → 6 × 7 = 42, then 25).
97² → 94 | 09 → 940965² → 42 | 25 → 4225
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The fast way, by levelहर लेवल पर तेज़ तरीका
- 11–2524² = 576(20 + 4)² = 400 + 160 + 16 = 576
- 26–5041² = 1,68125 − 9 = 16, then 9² = 81 → 1,681
- Near 100 and ending in 592² = 8,46492 − 8 = 84, then 8² = 64 → 8,464