3√2-√2+½√2等于多少
问题描述:
3√2-√2+½√2等于多少
答
3√2-√2+½√2
=(3-2+½)√2
=3√2/2
3√2-√2+½√2等于多少
3√2-√2+½√2
=(3-2+½)√2
=3√2/2