Question

Efectuați: a) 3/5:6/7, b) 1/6:7/12 c)1/3:2/9, d) 1/9:1/7, e) 7:7/3, f)5/8:2/3, g) 7/9:1/3, h) 5/8:1/2.​

Answer 1

Răspuns:

a) 3/5*7/6 = 21/30

ca sa te inv le vei scrie normal primele, si muti numitorul cu numarator :

a/b = b/a

si le inmultesti:

c/d:a/b

c/d*b/a

c*b/d*a