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680 g -12 dag = ? t AFLATI DIFERENTA


Răspuns :

1dag=10g  |·12⇒12dag=120g⇒
680g-120g=560g  
1t=1000kg=1000000g⇒1g=1/(1000000) ·1t  |·560 ⇒    560g=560/1000000t=0,000560t ⇒ 680g-12dag=0,000560t