八年级数学题求解√2(√2+1/√2)-√18-√8/√2

问题描述:

八年级数学题求解√2(√2+1/√2)-√18-√8/√2

√2(√2+1/√2)-√18-√8/√2
=2+1-3√2-2
=1-3√2