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calculați a=3pe 8 :6pe8+11pe7×7pe22​

Răspuns :

Explicație pas cu pas:

[tex] \frac{3}{8} \div \frac{6}{8} + \frac{11}{7} \times \frac{7}{22} = \\ \frac{3}{8} \times \frac{8}{6} + \frac{1}{2} = \frac{1}{2} + \frac{1}{2} = \frac{2}{2} = 1[/tex]