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Math Notes

2 × 5 × 27 = 1 × 15 × 18
2 + 5 + 27 = 1 + 15 + 18

213 × 624 = 312 × 426
102 × 402 = 201 × 204
936 × 213 = 639 × 312

June 14, 2010June 14, 2010 | Science & Math

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