Question

completati egalitatile
a) 2m+6dm=?cm, 3m+2cm=?cm, 1dm+4cm=?mm
b)1m-1dm=?dm, 9dm+7dm=?cm, 3cm+5mm=?mm
c)2m-2cm=?cm, 3cm-6mm=?mm, 5cm-5mm=?mm
PLS help
20 puncte

Answer 1

a) 2m+6dm=?cm, 200+60 = 260 cm
    3m+2cm=?cm,  300+2 = 302 cm
   1dm+4cm=?mm 100+40 = 140 mm
b)1m-1dm=?dm,  10-1 = 9 dm
   9dm+7dm=?cm, 90+70 = 160 cm
   3cm+5mm=?mm 30+5 = 35 mm
c)2m-2cm=?cm, 200- 2 =198 cm
   3cm-6mm=?mm, 30-6 = 24 mm
   5cm-5mm=?mm 50-5 = 45 mm