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70dal=...cl
2000...=2hm
8kl si 3dal=...l
?dg=2kg si 2dag


Răspuns :

70dal=7000cl;
8kl+3dal
⇒8000l+30l
⇒8030l;
2kg+2dag=20000dg+200dg
⇒20200dg;