Покрокове пояснення:
[tex]\displaystyle 2\frac{3}{4} < \frac{x}{4} < 3\frac{3}{4} \\\\\frac{11}{4} < \frac{x}{4} < \frac{15}{4}\\\\x={12, 13, 14}[/tex]
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Покрокове пояснення:
[tex]\displaystyle 2\frac{3}{4} < \frac{x}{4} < 3\frac{3}{4} \\\\\frac{11}{4} < \frac{x}{4} < \frac{15}{4}\\\\x={12, 13, 14}[/tex]