┴┴┴┴┴┴┴┴┴
1 1 1
(1)6+11+16+…+501 (2)1+5+9+13+……+1989+1993
1+2+3+4+……+29+30 21+22+23+……30+31+32
5+10+15+……90+95+100 1+3+5+7+……47+49
0030
=36=4=