分母为整数,分子带根号怎么化简
729√2 / 27
人气:412 ℃ 时间:2020-05-12 20:56:04
解答
根号外的整数与分母约分至最简即可
729:27=27
所以729√2 / 27=27√227√2+3√2-36√2+3√2怎么画阿,谢谢。根号内相同的,将根号外部分合并即可27√2+3√2-36√2+3√2 =(27+3-36+3)√2=-3√2
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