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= [17×(-13)] - [(-75) : 5)
= (- 221) - (-15)
= (-221) + 15
= (-206)
2) 45 - (-15)+(-12)×15
= 45 - (-15) + [(-12)×15]
= 45 + 15 + (-180)
= 60 + (-180)
= (-120)
3) -84 : 7 - (-11) × 14
= [(-84) : 7] - [(-11) × 14)
= (-12) - (-154)
= (-12) + 154
= 142
4) - 35 + (-18) × (-12) -45
= -35 + [(-18) × (-12) - 45
= [-35 + 216] - 45
= 181 - 45
= 136