Question

1 INTREG 5/39-1/13 10 INTREG 3/4-2INTREG 5/12 7INTREG 4/15-3INTREG

Answer 1

Răspuns:

44/39-1/13=(amplificam a doua fractie cu 3)

=44/39--3/39=41/39

43/4--29/12=amplificam prima fractie cu 3)=

=129/12--29/12=100/12(simplificam cu 2)=

=50/6

109/15-3/1=(amplificam a doua fractie cu 15)=

=109/15--45/15=64/15