ChaseDream
标题:
数学
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作者:
kakaka0033
时间:
2018-10-8 22:50
标题:
数学
1.abcz+a^2+z^2+d^2=?
(1) z大于等于240
(2)z+a^2+b^2+c^2+d^2=240
答案:C
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