Oblicz: a) √1 √25/49 (w ulamku zwyklym) √2, 1/4 ( w ulamku zwyklym) √ 0,01 (w ulamku dziesietnym) b) √ 289 √ 36/121 ( w ulamku zwyklym) √ 4 21/25 ( w ulamku zwyklym)  √ 2.89 ( w ulamku dziesietnym.   

[latex]a)\sqrt1=1 bo 1^2=1\\sqrt{frac{25}{49}}=frac{5}{7} bo (frac{5}{7})^2=frac{25}{49}\\sqrt{2frac{1}{4}}=sqrtfrac{9}{4}=frac{3}{2} bo (frac{3}{2})^2=frac{9}{4}=2frac{1}{4}\\sqrt{0,01}=0,1 bo 0,1^2=0,01[/latex] [latex]b)\sqrt{289}=17 bo 17^2=289\\sqrtfrac{36}{121}=frac{6}{11} bo (frac{6}{11})^2=frac{36}{121}\\sqrt{4frac{21}{25}}=sqrtfrac{121}{25}=frac{11}{5} bo (frac{11}{5})^2=frac{121}{25}=4frac{21}{25}\\sqrt{2,89}=1,7 bo 1,7^2=2,89[/latex] ©DRK

a) V1 = 1 V(25/49) = 5/7 V(2 1/4) = V(9/4) = 3/2 V0,01 = V(1/100) = 1/10 b) V289 = 17 V(36/121) = 6/11 V(4 21/25) = V(121/100) = 11/10 V2,89 = V(289/100) = 17/10