(2倍【根号三-2】)(根号【3】+2)怎么算
=2(√3-2)(√3+2)
=2×(3-4)
=-2;
(2倍根号【三】-2)(根号【3】+2)怎么算
=2×3+4√3-2√3-4
=2+2√3;
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(2倍【根号三-2】)(根号【3】+2)怎么算
=2(√3-2)(√3+2)
=2×(3-4)
=-2;
(2倍根号【三】-2)(根号【3】+2)怎么算
=2×3+4√3-2√3-4
=2+2√3;
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,