化简√2×(√2+1/√2)-√18-√8/√2

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 10:11:03

化简√2×(√2+1/√2)-√18-√8/√2

√2×√2+√2×1/√2-3√2-2
=2+1-3√2-2
=1-3√2

1-3√2

=2√2+1-(3√2-2√2)/√2
=2√2+1-1
=2√2