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...metri=...decimetri=41cm=...mm
...kg=44g=...mg
...h...min=88 min=...s
1,6kg+800 g =...kg


Răspuns :

0.044 kg=44g=44000 mg
0.41m=4.1dm=41cm=410mm
1h 28min=88min=5280s
800g=0.8kg de aici rezulta ca 1.6kg+0.8kg=2.4 kg