Tính −37 + 54 + (−70) + (−163) + 246 = ?

−37 + 54 + (−70) + (−163) + 246

= −37 + 54 – 70 – 163 + 246

= (−37 – 163) + (54 + 246) – 70

= −200 + 300 – 70

= 100 – 70

= 30