1+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+31+32+33+34+35+3

2024-11-08 07:44:10
推荐回答(5个)
回答1:

=(1+35)*35/2+1+3=634

回答2:

=1+2+……+34+35+4=(1+35)35/2+4=634

回答3:

(1+35)/2 * 35 + 1+3
=18*35+1+3=633

回答4:

599

回答5:

634