15^2=225,25^2=625,35^2=1225,45^2=2025,…,75^2=(5625),95^2=(9025)
7X8 25
9X10 25
希望能帮你忙,懂了请采纳,
15^2=225,25^2=625,35^2=1225,45^2=2025,…,75^2=(),95^2=()
15^2=225,25^2=625,35^2=1225,45^2=2025,…,75^2=(),95^2=()
数学人气:846 ℃时间:2019-10-10 01:36:50
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