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Mathematics, 30.07.2019 18:00 deezzzy

Elevii clasei a iv-a se informeaza despre preturile unor obiecte: 3 aparate foto de acelasi fel si un laptop costa 2700lei, iar 5 aparate foto si 2 laptopuri, de acelasi fel ca primele costa,4900lei. cat costa un aparat foto? dar un laptop? prin metoda compaatiei va rog ! urgent

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Elevii clasei a iv-a se informeaza despre preturile unor obiecte: 3 aparate foto de acelasi fel si u...

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