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Calculati:
42cm+260mm-3,6dm


Răspuns :

42cm+260mm+3,6dm=
42cm+2,6cm+0,36cm=
44,6cm+0,36cm=
44,96cm
Facem transformările 260mm=26 cm 3,6dm=36 cm 42cm+26cm+36cm=68cm+36cm=104 cm