Răspunsuri

Cel mai inteligent răspuns!
2014-08-22T16:43:45+03:00


a)     6/5.× n= 345 ⇒  6n=345×5  ⇒  n=287,5

b)   3/12×n=150 n=150×12/3  =600 daca e vorba de 3,12 ⇒ 3,12×n=150⇒ n=150÷3,12 = 48,076924

c) 1,(4) = 1  4/9 =13/9⇒   13/9×63=13×7=91


21 4 21