紧急求助(根号3+1)(根号3+2)(根号3-3)(根号3-4)除以2根号3 需要计算过程,以后一定好好上课!...

2024-12-20 10:47:10
推荐回答(3个)
回答1:

(√3+1)(√3+2)(√3-3)(√3-4)÷2√3
=(√3-1)(√3+1)(√3+2)(√3-3)(√3-4)÷[2√3(√3-1)]
=(3-1)(√3+2)(√3-3)(√3-4)÷[2(3-√3)]
=(√3+2)(4-√3)
=4√3+8-3-2√3
=5+2√3

回答2:

解:(√3+1)(√3+2)(√3-3)(√3-4)÷2√3
=√3(√3+1)(√3+2)(1-√3)(√3-4)÷2√3
=-(√3+1)(√3-1)(√3+2)(√3-4)÷2
=-2(√3+2)(√3-4)÷2
=(√3+2)(4-√3)
=4√3-3+8-2√3
=5+2√3

回答3:

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