1.Oblicz sprytnie       a) [latex]frac{1}{333} [/latex] x [latex]frac{1}{8}[/latex] + [latex]frac{1}{111}[/latex] x [latex]frac{23}{24}[/latex]      b) [latex]frac{7^{3}+7}{7^{2}+1}[/latex]  

a) 1/333 * 1/8 + 1/111 * 23/24 = 1/2664 + 23/2664 = 24/2664    24/2664 = 12/1332 = 6/666 = 1/111    b)    7³ + 7 = 7 * 7 * 7 + 7 = 343 + 7 = 350    7² + 1 = 49 + 1 = 50    350/50 = 7   

Oblicz sprytnie: a) [latex] frac{1}{333}* frac{1}{8}+frac{1}{111}* frac{23}{24} [/latex] b) [latex] frac{7^{3}+7 }{7^{2}+1 } [/latex]

Oblicz sprytnie: a) [latex] frac{1}{333}* frac{1}{8}+frac{1}{111}* frac{23}{24} [/latex] b) [latex] frac{7^{3}+7 }{7^{2}+1 } [/latex]...