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Cat face 45 supra 28 +23 supra 89

Răspuns :


[tex] \frac{45}{28} + \frac{23}{89} = \frac{4005}{2492} + \frac{644}{2492} = \frac{4649}{2492} [/tex]
Sper ca e bine
45/28 + 23/89=  aducem la acelasi numitor ...2492

4005/2492 + 644/2492=4649/2492