计算/1-根号2/+2(根号2-1)
问题描述:
计算/1-根号2/+2(根号2-1)
答
/1-根号2/+2(根号2-1)
=√2-1+2√2-2
=3√2-3
计算/1-根号2/+2(根号2-1)
/1-根号2/+2(根号2-1)
=√2-1+2√2-2
=3√2-3