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Calculeaza doi supra trei din nr 915,1005,123

Răspuns :

915 × 2/3 =305×2=610
1005 × 2/3 =335×2=670
123× 2/3 =41×2=82
2/3·915=2·915/3=1830/3=610

2/3·1005=2·1005/3=2010/3=670

2/3·123=2·123/3=246/3=82