PROSZĘ O POMOC :(
⅘ + ¾ + ⅔ + (⅓)² + (¼ + ⅕)²
⅘ + ¾ + ⅔ + (⅓)² + (¼ + ⅕)²= 16/20+15/20+6/9+1/9+(5/20+4/20)^2= 31/20+7/9+81/400= 620/400+81/400+7/9= 701/400+7/9= 6309/3600+2800/3600= 9109/3600
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⅘ + ¾ + ⅔ + (⅓)² + (¼ + ⅕)²= 16/20+15/20+6/9+1/9+(5/20+4/20)^2= 31/20+7/9+81/400= 620/400+81/400+7/9= 701/400+7/9= 6309/3600+2800/3600= 9109/3600