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数学
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-1^4-(1-0.5)*1/3*[2-(-3)²]=?
人气:428 ℃ 时间:2020-05-04 12:41:12
解答
-1^4-(1-0.5)*1/3*[2-(-3)²]
=-1-1/2*1/3*(2-9)
=-1-1/6*(-7)
=-1+7/6
=1/6
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