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2013-03-23T18:35:53+01:00
2013-03-23T18:44:22+01:00

2² * 5² * 5² = (2 * 5 * 5)² = 50² = 2 500

 

ou

 

2² * 5² * 5² = 4 * 25 * 25 = 200*25 = 2 500