Question

Completeaza :
3dl +...... cl = 1 l , 890 hl=...... kl - 40 kl , .......cl + ..........ml = 2 l , ....... dl + ........cl = 1 l , 80 cl + .......dl =1 l ,2000 dal = 60 kl - ........ kl 
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Answer 1

3 dl + 70 cl = 1l( 0.3l+0.7l + 1 l )

890 hl= 89 kl ( 129kl-40kl =89 kl =890hl

100cl+1000 ml=2l ;

0.5dl+50cl=1l ( 0.5l+0.5 l=1 l )

80 cl +2 dl =1l ( 0.8l+0.2l=1l)

2000dal=60kl-40kl ( 20kl=60-40kl)

transformi mai intai intr-o singura unitate de masura si apoi rezolvi