计算题,写过程. 3495-6576+372-(+432)-(-578)

3495-6576+372-(+432)-(-578)
=3495-6576+372-432+578
=3495+372+578-6576-432
=4445-7008
=-2563

拜托啊.老兄.
3495-6576+372-(+432)-(-578)
首先,根据负负相正,正负得负的结论,简化成:3495-6576+372-432+578
然后用计算器直接按照顺序算出结果:-2563

3495-6648-146