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数学
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(-3)³÷9/4×(-2/3)²+4-2²×(-1/3)
人气:416 ℃ 时间:2019-10-10 01:17:45
解答
原式=-27×(4/9)×(4/9)+4-4×(-1/3)
=-12×(4/9)+4+(4/3)
=(-16/3)+(4/3)+4
=-4+4
=0
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