计算 根号27 乘以3乘以根号12乘以(根号3)/2

2025-12-13 23:27:34
推荐回答(1个)
回答1:

原式=3又根号3 × 3 × 2又根号3 × (根号3)/2
=3又根号3 × 3 × 根号3
=9又根号3 × 根号3
=9 × 3
=27