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Transforma 7m+3,89cm×9,236hm=.....km

Va rog repede, dau coroana si 12 puncte.


Răspuns :

Răspuns:

7m=?km=7:10^3=0,007km

3,89cm=?km=3,89:10^5=0,0000389km

9,236hm=?km=9,236:10=0,9236km

0,007km+0,0000389km×0,9236km=0,007035928km