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数学
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5²-3*[-3²+(-2)*(-3)]+(-5)²
人气:485 ℃ 时间:2020-03-23 13:46:52
解答
5²-3*[-3²+(-2)*(-3)]+(-5)²
=25-3*(-9+6)+25
=25-3*(-3)+25
=25+9+25
=59
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