perimetr

urok matematiki vo 2 «a» klasse po teme «dlina lomanoy. perimetr» uchitel nachalnix klassov mbou sosh № 3 prosandeeva elena viktorovna 654 vipolni programmu deystviy schitay bez oshibok +30 +9 -30 -8 +26 48 78 87 57 49 75 molodtsi! vnimanie vnimanie vichitaemoe umenshaemoe 1-e slagaemoe, 2-e slagaemoe tochka, pryamaya, luch summa dlin storon mnogougolnika summa geometricheskie figuri raznost ? 1 m = 10 sm 3 m = 3 dm 3 m = 1 dm 1 dm = 100 sm 25 m 14 m 36 m 25 m 15 sm 20 sm 35 sm 60 sm vichitaemoe umenshaemoe 1-e slagaemoe, 2-e slagaemoe tochka, pryamaya, luch summa dlin storon mnogougolnika summa geometricheskie figuri raznost perimetr perimetr p=a+b+c+d 4+4+2+2 = 12(sm)-r 4sm …

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