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a fost răspuns

Ajutatima 3pe11+4pe3+7pe12=

3+1pe4+2pe5=

Răspuns :

3pe11+4pe+7pe12=10 sper ca te-am ajutat


Iulica1
[tex]1) \frac{3}{11} + \frac{4}{3} + \frac{7}{12} = \\ \frac{36*3+4*132+7*33}{396} = \frac{108+528+231}{396} = \\ \frac{867}{396} = \frac{289}{132} \\
  2)3+ \frac{1}{4} + \frac{2}{5} = \\ \frac{20*3+5+4*2}{20} = \\ \frac{73}{20} [/tex]

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