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Calculati:

a) in m2 ( metri patrati ) :
24 dam2 + 36,25 hm2 + 275 m2=
92,30 m2 + 276 325 cm2 + 48 dm2=
326,25 dam2 - 0,72 hm2=
2,75 m2 - 32,25 dm2=
b) in cm2 ( metri patrati ) :
7,25 m2 - 4,52 dm2 + 72,5 cm2