√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

√32-2√50+1/4√(1/2)-√(1/8)
=4√2-10√2+1/8√2-1/4√2
=(-49/8)√2