Răspuns:
5. 20, 4v5, 8v2, 9v5
8. 15, 20, 3v14
Explicație pas cu pas:
5.
a) rad(25x16)=rad400=20
b) rad(8x10)=rad80=4rad5
c) rad(8x16)=rad128=8rad2
d) rad(15x27)=rad405=9rad5
8.
a) 5v3x15v3=75x3=225; rad225=15
b) 10v5x8v5=400; rad400=20
c) 3v7x6v7=126; rad126=3rad14