\(\frac{{{V_1}}}{{{T_1}}} = \frac{{{V_2}}}{{{T_2}}} \Rightarrow {T_2} = \frac{{{V_2}{T_1}}}{{{V_1}}} = \frac{{\frac{4}{{1,2}}.7}}{4} = 8,89^\circ C\)
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