vaa rogggggggggggggggggggg!!!

Răspuns:
a) ..../4,5=2 =》4,5•2= 9
9/4,5=2
b)20/...=5 =》20:5=4
20/4=5
c)42/6=... ==》42:6=7
42/6=7
d)31/248=.... =》31:248 =0,125
31/248=0,125
Sper ca te-am ajutat.