Ułamek
3 / √5
2 / 1+√10
Z góry dziekuje ..!!
3 / √5= 3 / √5 * √5/ √5= 3 √5/ 5
2 / 1+√10 = 2 / 1+√10* 1- √10/ 1- √10= 2(1- √10)/ 1- 10= 2- 2√10/- 9
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3 / √5= 3 / √5 * √5/ √5= 3 √5/ 5
2 / 1+√10 = 2 / 1+√10* 1- √10/ 1- √10= 2(1- √10)/ 1- 10= 2- 2√10/- 9