-20" alt="-16>-20" align="absmiddle" class="latex-formula"> + 0,8" alt="3,4>0,8" align="absmiddle" class="latex-formula">
решаем:
-20+0,8" alt="-16+3,4>-20+0,8" align="absmiddle" class="latex-formula">
-19,2" alt="-12,6>-19,2" align="absmiddle" class="latex-formula">
получим: -19,2" alt="-12,6>-19,2" align="absmiddle" class="latex-formula">