Răspunsuri

2014-11-10T19:34:39+02:00
-156÷(-6)-(+3)×{-2×(-53+39)+75÷(-5)}=
+26-(+3)x[-2x(-14)-15]=26-3x(28-15)=26-3x3=17
2014-11-10T19:36:15+02:00
-156÷(-6)-(+3)·{-2·(-53+39)+75÷(-5)}=
+26-3·{-2·(-14)-15}=
26-3·(28-15)=
26-3·13=
26-39=
-13

:)