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transforma in ari valorile 4 hm patrati ,9 km patrati ,120 m patrati


Răspuns :

4hm^2 =4*10^2 =4*100 =400 arii
9km ^2 =9 *10^2*2 =9*10^4 =9*10000 =90000 arii
120m^2 =120 :10^2 =120 :100 =1.2 ari