|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
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|3tan30°-1|-4（sin²60°-1）+∫2×cos45°|3tan30°-1|-4（sin²60°-1）+∫2×cos45°|3tan30°-1|-4（sin²
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
=|√ 3-1|-4（3/4 -1）+∫2×√ 2 /2
=√ 3 -1-3 +4+1
=√ 3 +1