1) 
\frac{5}{1} + (-\frac{64}{10} = \frac{50}{10} + \frac{64}{10} = \frac{114}{10} = 11,4" alt="\frac{4}{25} + 4\frac{84}{100} + (-6\frac{4}{10}) = \frac{4}{25} + \frac{484}{100} = \frac{16}{100} + \frac{484}{100} = \frac{500}{100} = 5 => \frac{5}{1} + (-\frac{64}{10} = \frac{50}{10} + \frac{64}{10} = \frac{114}{10} = 11,4" align="absmiddle" class="latex-formula">
НОЗ: 100, НОЗ: 10.
2) 
-\frac{1697}{35} + (-\frac{932}{70} = -\frac{3394}{70} + (-\frac{932}{70}) = -\frac{4326}{70} = 61,8" alt="-48\frac{17}{35} + (11\frac{4}{35} - 18\frac{61}{70}) = \frac{389}{35} - \frac{1321}{70} = -\frac{932}{70} = 13\frac{22}{70} => -\frac{1697}{35} + (-\frac{932}{70} = -\frac{3394}{70} + (-\frac{932}{70}) = -\frac{4326}{70} = 61,8" align="absmiddle" class="latex-formula">
НОЗ: 70.