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calculati:
in cm patrati  : 7,25 m patrati - 4,52 dm patrati + 72,5 cm patrati


Răspuns :

725 cm patrati-452 cm patrati+7250=7523 cm patrati
7,25=72500; 4,52 =45200 ;72,5=72500-72500-45200+72500=99800