1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+……+101
问题描述:
1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+……+101
答
1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+……+101
=(1 + 101)× 51÷2
=2601