а)
\frac{15}{6}=>\frac{10}{3}>\frac{5}{2}" alt="\frac{10}{3}= \frac{20}{6},\frac{5}{2}=\frac{15}{6},\frac{20}{6}>\frac{15}{6}=>\frac{10}{3}>\frac{5}{2}" align="absmiddle" class="latex-formula">
б)
\frac{42}{12}=>\frac{15}{3}>\frac{14}{4}" alt="\frac{15}{3}=\frac{60}{12},\frac{14}{4}=\frac{42}{12},\frac{60}{12}>\frac{42}{12}=>\frac{15}{3}>\frac{14}{4}" align="absmiddle" class="latex-formula">
в)
\frac{90}{9} =>\frac{100}{9}>10" alt="10=\frac{90}{9},\frac{100}{9}> \frac{90}{9} =>\frac{100}{9}>10" align="absmiddle" class="latex-formula">
г)
\frac{42}{10}=>5>\frac{42}{10}" alt="5=\frac{50}{10},\frac{50}{10}>\frac{42}{10}=>5>\frac{42}{10}" align="absmiddle" class="latex-formula">