Question

si T= -2 1/2 S= -4 3/4 entoces S-T es igual a

Answer 1

$T=-2 \frac{1}{2}=- \frac{5}{2}$

$S=-4 \frac{3}{4}= -\frac{19}{4}$

$S-T= -\frac{19}{4}-( -\frac{5}{2})= -\frac{19}{4}+ \frac{10}{4}=- \frac{9}{4}=-2 \frac{1}{4}$

Respuesta correcta: b)-2 1/4