最后结果是2015028原式=1+(3-2)(3+2)+(5-4)(5+4)+(7-6)(7+6)+``````+(2007-2006)(2007+2006)=1+5+9+13+17+······+4013=1+2x2+1+2x4+1+2x6+1+2x8+1+······+2x2006+1=1004+2x(2+4+6+8+······+2006)=.../是除以的意思么？是的亲，首相加尾项乘以项数除以2嗯，谢谢，明天我去看看对不对，如果对，给你悬赏嘎嘎，好的谢谢支持哦，亲加油