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3个回答
展开全部
解:﹛[﹙-1﹚^-2-10/7+﹙-12﹚]÷6﹜·﹙-3/4﹚³
=[﹙1-10/7-12﹚×1/6]·﹙-27/64﹚
=[﹙-3/7-12﹚×1/6]×﹙-27/64﹚
=﹙-1/14-2﹚×﹙-27/64﹚
=-29/14×﹙-27/64﹚
=783/896
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=[﹙1-10/7-12﹚×1/6]·﹙-27/64﹚
=[﹙-3/7-12﹚×1/6]×﹙-27/64﹚
=﹙-1/14-2﹚×﹙-27/64﹚
=-29/14×﹙-27/64﹚
=783/896
做题不易,满意请采纳,祝你学习进步
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