Răspuns :
a) 5454 /7272 = (2·3²·101) / (2³·3²·101) =1/4 ( s-a simplificat cu 2·3²·101) b) 3(1+2+3+........+11) / 5(1+2+3+.......+11) = 3/5
a) 5454/7272=54*101/72*101=54/72=2*3^3/2^3*3^2=3/4
b) 3(1+2+3+....11)/5(1+2+3+...11)=3/5
b) 3(1+2+3+....11)/5(1+2+3+...11)=3/5