(1)3倍根号8-3倍根号32+2倍根号18-4倍根号1/2= (2)(4/3倍根号54-根号45+3根号8/3)×根号8
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(1)3倍根号8-3倍根号32+2倍根号18-4倍根号1/2
=6√2-12√2+6√2-2√2
=-2√2;
(2)(4/3倍根号54-根号45+3根号8/3)×根号8
=(√16×6-3√5+√24)×√8
=16√3-3√40+8√3
=24√3-3√40;
=24√3-6√10;
您好,很高兴为您解答,skyhunter002为您答疑解惑
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=6√2-12√2+6√2-2√2
=-2√2;
(2)(4/3倍根号54-根号45+3根号8/3)×根号8
=(√16×6-3√5+√24)×√8
=16√3-3√40+8√3
=24√3-3√40;
=24√3-6√10;
您好,很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢。
祝学习进步
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