计算:2cos45°+sin60°+tan60°×tan30°-2cos60°×cos30°

计算:2cos45°+sin60°+tan60°×tan30°-2cos60°×cos30°.
2024-12-04 05:07:37
推荐回答(1个)
回答1:

2cos45°+sin60°+tan60°×tan30°-2cos60°×cos30°,
=2×

2
2
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3
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3
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3
3
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1
2
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3
2
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=
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