se compara care e mai mare dinacela se scade cel mai mic
4=radical 16 <radical 19 deci
a) (radical 19)-4
b) (radical 10)-2 pt ca radical 10>radical4=2
c) (2radical2)- radica7 pt ca radical8=(2radical2)>radical7
d)(radical 22)-3 radical2 pt ca radical22>9*2=18