问题描述:
想想算算:
(1)1+3+5+7+9+11+13+15+17+19+21+23+25
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(2)(2+3+…+2002+2003)-(2+3…+2001+2002)
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(1)1+3+5+7+9+11+13+15+17+19+21+23+25
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(2)(2+3+…+2002+2003)-(2+3…+2001+2002)
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问题解答:
我来补答展开全文阅读