1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+.+100=?
问题描述:
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+.+100=?
答
(1+100)*100/2=5050
答
(1+100)×100/2=5050.高斯定律,连续数字之和=(首项+末项)×项数/2
答
(1+99)×49+100+50=5050或者(1+100)×100/2=5050
答
what is one and two and three and ...............and one hundred?
答
(1加100)乘100除以2等于5050
答
5050