Răspuns :
x-y=305
x:y=7 rest 5 => x=7y+5
7y+5-y=305
6y+5=305
6y=305-5
6y=300
y=300:6
y=50
x=7×50+5
x=355
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x:y=7 rest 5 => x=7y+5
7y+5-y=305
6y+5=305
6y=305-5
6y=300
y=300:6
y=50
x=7×50+5
x=355
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