(2根号3-根号6)*根号12 (根号48-根号27+(4根号15))⼀根号3

2024-12-17 02:29:20
推荐回答(2个)
回答1:

(2根号3-根号6)*根号12
=2根号36 -根号72
=12-6根号2

(根号48-根号27+(4根号15))/根号3
=根号16 -根号9 +4根号5
=4-3+4根号5
=1+4根号5

回答2:

原式=(√12-√6)x√12x(2√12-3√3+4√15)/√3
=(12-6√2)x(12-9+12√5)
=36+144√5-18√2-72√10
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