根号18减(π-1)的0次方减4乘根号1/2加1/2(根号2-1)
问题描述：
根号18减(π-1)的0次方减4乘根号1/2加1/2(根号2-1)
答
根号18减(π-1)的0次方减4乘根号1/2加1/2(根号2-1)
=3√2-1-2√2+√2/2-1/2
=3√2/2-3/2
答
√18-(π-1)^0-4√(1/2)+(√2-1)/2
=3√2 - 1 - 2√2 + √2/2 - 1/2
=3√2 - 3/2