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Un intreg si 1\4+1:(1\5+6\5•1\6)=??? Dau coroană!!!!!! Rapiiiid

Răspuns :

5/4 +1: (1/5+1/5)=5/4+1:(2/5)=5/4+1*5/2= 5/4+5/2=5/4+10/4=15/4
 1 \frac{1}{4} +1: ( \frac{1}{5} + \frac{6}{5} * \frac{1}{6} ) = 1 \frac{1}{4} +1: ( \frac{1}{5} + \frac{1}{5} ) = 1 \frac{1}{4} +1 * \frac{5}{2} = \frac{5}{4} + \frac{5}{2} = \frac{15}{4} [/tex]