Răspuns :
212:4=53 +4=57kg prima zi 212-57=155 155:5=31+2=33kg a doua zi 212-57-33=122kg a treia zi
[tex]Erau=212 kg de zahar[/tex]
[tex]I zi=4 \frac{1}{4} = \frac{17}{4} kg de zahar[/tex]
[tex]II zi=2 \frac{1}{5} = \frac{11}{5} kg de zahar[/tex]
[tex]III zi=212kg-( \frac{17}{4} + \frac{11}{5} )=212- \frac{129}{20} =205,55 kg de zahar[/tex]
[tex]I zi=4 \frac{1}{4} = \frac{17}{4} kg de zahar[/tex]
[tex]II zi=2 \frac{1}{5} = \frac{11}{5} kg de zahar[/tex]
[tex]III zi=212kg-( \frac{17}{4} + \frac{11}{5} )=212- \frac{129}{20} =205,55 kg de zahar[/tex]