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Va rog frumos!!! Calculati si scrieti si transformarile facute.....Coroanaaa 2850m+9800dm=......dam 387km-6990dam=......km 909dam+8700cm=....m 187000mm-3590cm=....dm Multumesccc!

Răspuns :

2850m+9800dm=?dam
285dam+98dam=383dam

909dam+9700cm=?m
9090m+97m=9178m

387km-6990dam=?km
?

187000mm-3590cm=?dm
1870dm-359dm=1511dm