Question

ex 32 si 33 va rog urgent​

Answer 1

Explicație pas cu pas:

32.

a)

$-26 < -\overline {2x} \\ 26 > \overline {2x} \iff \overline {2x} < 26 \\ x \in \{0;1;2;3;4;5\}$

b)

$-\overline {1x5} \geqslant - 134 \\ \overline {1x5} \leqslant 134 \\ x \in \{0;1;2\}$

c)

$- 542 \leqslant -\overline {x52} \\542 \geqslant \overline {x52} \iff \overline {x52} \leqslant 542 \\ x \in \{1;2;3;4\}$