1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50··································

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 05:17:37
1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23

1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50··································
1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````
1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50························································································+99999999999+100000000000=?
汉语拼音拼成一段话:woshidashabi,woshidashabi,woshadehenlipu,danshiwohensha.wosha,wosha,wojiushihensha,wochun,wochun,woyeshihenchun,danshiwohenkaixin,ouye!求汉语!

1+2+3+4+5+6+7+8+9+1+11+12+13+14+15````````1+2+3+4+5+6+7+8+9+1+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28++29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50··································
首项加末项,乘以项数,除以二.答案:5000000000050000000000.汉语拼音那段,抱歉,太侮辱人了

100000000000÷2+100000000000=150000000000

首项加末项乘以项数除以2
1加100000000000的和乘以100000000000除以2