根号下(3-2√2)还能化简不?
问题描述:
根号下(3-2√2)还能化简不?
答
3-2√2
=2-2√2+1
=(√2-1)²
所以原式=√2-1
根号下(3-2√2)还能化简不?
3-2√2
=2-2√2+1
=(√2-1)²
所以原式=√2-1