Question

ofer coroana! cls. a V-a sem II​

Answer 1

Răspuns:

7)2/5 ; 3/5 ; 7/5 ; 9/5.

8) a) 3/10+7/10=10/10

b) 25/13 x 15/26 = 375/338

c) 4/4 x 2 1/2 = 4/4 x 3/2 = 12/8

9) a) ( 5 x 32)/8 = 5 x 4=20 (fete)

32-20= 12 (băieți)

b) 10/100 x 100 = 10

100+10=110 (noul preț)