计算:(1)3tan30°?2sin60°?(12)?1+|?12|.(2)2sin60°?(?2)?1?tan30°?(?12)

2025-06-26 10:22:58
推荐回答(1个)
回答1:

(1)原式=3×

3
3
-2×
3
2
-2+2
3
=
3
-
3
-2+2
3
=2
3
-2;
(2)原式=2×
3
2
-(-