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a fost răspuns

1000dm+ 79dam=?dam
18hm-999m=?m
6km-2999m=?m
70 000cm+2hm=?hm
300 000mm+ 14dam=?dam
850mm-3dm=?mm

Va rog cat mai repede!!

Răspuns :

Mateiroman
18*100m-999m=1800m-999m=801m
6*1000m-2999m=6000m-2999m=3001m
(70 000cm=70 000:100=700m:100=7hm)
7hm+2hm=9hm
(300 000 mm=300 000:1000=300 m :10=30dam)
30dam+14dam=44dam
850mm-300mm=550mm
(3dm=3:10m=03.m*1000=300mm)

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