Explicație pas cu pas:
[tex] \bf a) \: \dfrac{6}{35}=\dfrac{12}{70} \Rightarrow \dfrac{6}{35: \pink{5}}=\dfrac{12}{70: \pink{5} } \Rightarrow \pink{ \dfrac{6}{7} = \dfrac{12}{14}} [/tex]
[tex]\bf b) \:\dfrac{6}{35}=\dfrac{12}{70} \Rightarrow \dfrac{6 \cdot\purple{3}}{35}=\dfrac{12 \cdot\purple{3}}{70} \Rightarrow \purple{\dfrac{18}{35}=\dfrac{36}{70}} [/tex]
[tex]\bf c) \: \dfrac{6}{35}=\dfrac{12}{70} \Rightarrow \dfrac{6:\blue{6}}{35}=\dfrac{12 :\blue{6}}{70} \Rightarrow \blue{ \dfrac{1}{35}=\dfrac{2}{70}} [/tex]
[tex]\bf d) \: \: \dfrac{6}{35}=\dfrac{12^{ \red{(2}} \: }{70} \Rightarrow \red{ \dfrac{6}{35}=\dfrac{6}{35}} [/tex]
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