1. a)radical din 32 ×50=radical 1600radical20supra=40
b)radical 15×240=radical 3600=60
c)radical 112×175=radical19600=140
d)radical din 20×125=radical2500=50
e)radical 0,03×0,27=radical0.0081=9supra100
f)radical4,5×103,68=radical 466.56=108supra5
g)radical20supra7×5supra63=radical100supra441=10dupra21
h)radical1supra9=1supra3
i)radical245supra27×3supra80=radical49supra9×1supra16=7supra3×1supra4=7supra12
La 3 este asemãnãtor ca la ex.1
