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Calculati : A) 3,2-1,(3)-1,1(6)


Răspuns :

[tex] \frac{32}{10} - \frac{13}{9} - \frac{116}{90} = [/tex]     (aduceam la acelasi numitor 90)

=[tex] \frac{288}{90}- \frac{130}{90} - \frac{116}{90} =[/tex]


=[tex] \frac{288-130-116}{90} [/tex]=


=[tex] \frac{42}{90}[/tex]


=[tex] \frac{21}{45} [/tex]


=[tex] \frac{7}{15} [/tex] -fractie ireductibila