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oblicz 1 3/5 + 3 1/5 , 9-4 3/4, 8 2/7 +6 6/7, 19 2/11 - 8 5/11

szybko​


Odpowiedź :

[tex]1\frac{3}{5} + 3\frac{1}{5} = 4\frac{4}{5}[/tex]

[tex]9 - 4\frac{3}{4} = 4\frac{1}{4}[/tex]

[tex]8\frac{2}{7} + 6 \frac{6}{7} = 15\frac{1}{7}[/tex]

[tex]19\frac{2}{11} - 8\frac{5}{11} = 10\frac{8}{11}[/tex]