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exercitiul 3 punctele a,b , c


Exercitiul 3 Punctele Ab C class=

Răspuns :

a) 5[tex]\frac{x}{y} \frac{1}{2}[/tex] + 3[tex]\frac{1}{2}[/tex] = 8[tex]\frac{1}{2}[/tex]

b) [tex]\frac{6}{10} + 2 \frac{4}{5}\\\frac{6+28}{10}  = 3\frac{2}{5}[/tex]

c) [tex]\frac{75}{100}  sau \frac{3}{4}  + 1\frac{3}{4}  =2 \frac{1}{2}[/tex]