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1 "2 va roggggggggg dau tot ve vreyi

1 2 Va Roggggggggg Dau Tot Ve Vreyi class=

Răspuns :

4)7m(70dm)+3dm=73dm
  18dm(180cm)+5cm=185cm
  1km(10hm)+8hm=18hm
  13hm(130dam)+8dam=138dam
  17km-12km=5km
  13m(1300cm)-14cm=1286cm
  18km(1800dam)-13dam=1787dam
  25dam(250m)-13m=237m

5)perimetrul este suma tuturor laturilor:
17+12+15=44(cm)