Oblicz. 26-{31-[29-(57+31)]} -17+{41-[24-(88-54)]} -62-{-31+[24-71-(31-15)]} 315:(-7)-165:55 488:(-61)+235:5
Oblicz. 26-{31-[29-(57+31)]} -17+{41-[24-(88-54)]} -62-{-31+[24-71-(31-15)]} 315:(-7)-165:55 488:(-61)+235:5
26-{31-[29-(57+31)]} =26-{31-[29-88]}=26-{31+59} =26-90=-64 -17+{41-[24-(88-54)]}=-17+{41-[24-34)]}=-17+{41+10}=-17+51 =34 -62-{-31+[24-71-(31-15)]}=-62-{-31+[24-71-16]}=-62-{-31+24-71-16}=-62-(-94)=-62+94=32 315:(-7)-165:55=45-3=42 488:(-61)+235:5=-8+47=39