1+2+3……+99+100+99+……+3+2+1

1+2+3……+99+100+99+……+3+2+1
2025-03-03 17:34:47
推荐回答(4个)
回答1:

1+2+3+…+99+100+99+…+3+2+1
=(1+99)×99+100
=9900十100
=10000

回答2:

1+2+3……+99+100+99+……+3+2+1
=5050x22-100
=10100-100
=10000
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回答3:

101ⅹ50x2一100=10000

回答4:

100的平方_________________