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(-5*103次方)(-6*105次方)(7*107次方)
人气:375 ℃ 时间:2020-01-29 18:56:08
解答
(-5*103次方)(-6*105次方)(7*107次方)
=(5*103次方)(6*105次方)(7*107次方)
=(5*103次方)(6*103次方)(6*2次方)(7*103次方)(7*4次方)
=(2401×36)((5×6×7)*103次方)
=86436×(210*103次方)
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