√32-2√50+1/4√(1/2)-√(1/8) 化简
问题描述:
√32-2√50+1/4√(1/2)-√(1/8) 化简
答
√32-2√50+1/4√(1/2)-√(1/8)
=4√2-10√2+1/8√2-1/4√2
=(-49/8)√2