Răspuns :
√63*√7=(toate sunt sub radical)√63*7=(aici la fel)√9*7*7=3*7=21
√1,2*√10/3=√12/3=√4=2 √36/25+√81/25=6/5+9/5=14/5 un intreg si 11 supra 25=1*25+11 totul supra 25=36 supra 25 se inmulteste intregul (1) ccu numitorul(25) apoi se aduna numaratorul(11) supra numitor (25)
√1,2*√10/3=√12/3=√4=2 √36/25+√81/25=6/5+9/5=14/5 un intreg si 11 supra 25=1*25+11 totul supra 25=36 supra 25 se inmulteste intregul (1) ccu numitorul(25) apoi se aduna numaratorul(11) supra numitor (25)
√63·√7=√441=21
√1,2·√3 1/3= √12/10 ·√10/9=√4/3
√1 11/25 · 3 6/25=√36/25· √81/25=6/5·9/5=54/25
√1,2·√3 1/3= √12/10 ·√10/9=√4/3
√1 11/25 · 3 6/25=√36/25· √81/25=6/5·9/5=54/25