化简(根号6+根号3+2+根号2)除以(2根号2+根号3+1)

好心人士帮忙啊!!
2024-12-23 05:21:19
推荐回答(2个)
回答1:

(根号6+根号3+2+根号2)除以(2根号2+根号3+1)
=[根号3*(根号2+1)+根号2*(根号2+1)]÷(2根号2+根号3+1)
=(根号3+根号2)*(根号2+1)÷【(根号3+根号2) +(根号2+1)】
=1÷【1/(根号2+1) + 1/(根号3+根号2)] ....(由上式分子分母同除以(根号3+根号2)*(根号2+1)得到)....
=1÷(根号2-1 +根号3 -根号2)
=1÷(根号3-1)
=2分之(根号3+1)

回答2:

(√6+√3+2+√2) / (2√2+√3+1)
=(√3+1)/2