Question

решите уравнение -(-(+9целых 3/4)):t=-(-(-(-1/39)))​

Answer 1

$- ( - (9 \frac{3}{4} )) \div t = - ( - ( - ( - \frac{1}{39} )))\\ 9 \frac{3}{4} \div t = \frac{1}{39} \\ \frac{1}{39} t = \frac{39}{4} \\ t = \frac{39}{4} \div \frac{1}{39} \\ t = \frac{1521}{4} \\ \\ t = 380 \frac{1}{4}$