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Ajutor ! Scrie sub forma de fractie : 0,7 (56) ; -3,75 (6) ; 2, (63)

Răspuns :

[tex]0,7(56)= \frac{756-7}{990} = \frac{749}{990} \\ -3,75(6)=- \frac{756-75}{900}=- \frac{681}{900}= -\frac{227}{300} \\ 2,(63)=2 \frac{63}{99}=2 \frac{21}{33}=2 \frac{7}{11}= \frac{29}{11} [/tex]
[tex]\displaystyle 0,7(56)= \frac{756-7}{990} = \frac{749}{990} \\ \\ -3,75(6)=- \frac{3756-375}{900} =- \frac{3381}{900} =- \frac{1127}{300} \\ \\ 2,(63)= \frac{263-2}{99} = \frac{261}{99} = \frac{29}{11} [/tex]