(-16)-(-12)-24-(-18)
=-16+12-24+18
=-40+30
=-10
23-(-76)-36-(-105)
=23+76-36+105
=99+105-36
=204-36
=168
(-32)-(-27)-(72)-87
=-32+27-72-87
=-5-159
=-164
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(-16)-(-12)-24-(-18)
=-16+12-24+18
=-40+30
=-10
23-(-76)-36-(-105)
=23+76-36+105
=99+105-36
=204-36
=168
(-32)-(-27)-(72)-87
=-32+27-72-87
=-5-159
=-164
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”