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数学
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第一√8/27*√4/3*√54*√24 第二2√8-3√8+5√8
人气:414 ℃ 时间:2019-10-31 10:48:14
解答
1、√8/27*√4/3*√54*√24
=√8/27*4/3*54*24
=√8*4*2*8
=16√2
2、 2√8-3√8+5√8
=(2-3+5)√8
=4√8嗯
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