{3x-10<0{2x>0 срочно
0:2}} \right." alt="\left \{ {{3x<10} \atop {x>0:2}} \right." align="absmiddle" class="latex-formula">
0}} \right." alt="\left \{ {{x<\frac{10}{3} } \atop {x>0}} \right." align="absmiddle" class="latex-formula">
x{0; }