Răspuns :
3/2 +3,5 = 3/2 + 35/10 = 3/2 il amplifici cu 5 => 15/10+35/10 = 50/10 =5
[tex] \frac{3}{2} [/tex]+3,5=
=[tex] \frac{3}{2} [/tex]+[tex] \frac{35}{10} [/tex] (amplificam [tex] \frac{3}{2} [/tex] cu 5)
=[tex] \frac{15}{10} [/tex]+[tex] \frac{35}{10} [/tex]
=[tex] \frac{50}{10} [/tex]
=5
=[tex] \frac{3}{2} [/tex]+[tex] \frac{35}{10} [/tex] (amplificam [tex] \frac{3}{2} [/tex] cu 5)
=[tex] \frac{15}{10} [/tex]+[tex] \frac{35}{10} [/tex]
=[tex] \frac{50}{10} [/tex]
=5