Răspuns :

Iakabcristina2id

Răspuns:

3/9 = 10/30 = 1/3

9/3 = 30/10 = 3

Dianageorgiana794id

Răspuns:

[tex]a) \frac{3}{10} =\frac{9}{30} \\\\9*10=3*30\\90=90[/tex]

b) cred ca este 2,5 ; 1,5 ;3 ;5

[tex]\frac{2,5}{5} =\frac{1,5}{3} \\\\\frac{2,5}{1,5} =\frac{5}{3} \\\\2,5*3=5*1,5\\7,5=7,5[/tex]

ID Alte intrebari