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单选题 
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B. 
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学科：经济数学
时间：2025-05-25 03:06:45
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题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/86ec693097c8e9864ec5a7d8ae1d0d3b.png">,C是常数A. 0B. 1C. 不确定D. -1
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/7fb56c52aff49f28bd6888459383f2d0.png">A. sinxB. cosxC. -sinxD. -cosx
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/736618dfc8782691110a25f3f8a72a6d.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/fbeccf0ec0d2c3efda64a08f497334c2.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/86c14c45b1c257b966e608e9efa233a9.webp">C. -<img src="https://tihai-oss-cloud.itihey.com/img/74d8fc60560707aaf5696ac879b46f56.webp">D. -<img src="https://tihai-oss-cloud.itihey.com/img/2a0c6acef822e5c5fccd6389af5e4c80.webp">
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/fe5ba4b63dc457e82614f7ac4d1ae832.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/0350e20c913e675317180ac8dabe2025.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/9d4a3757d63e0ad15d8b88617c20c8dd.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/6dd3701f924e1d7dec3e83bfeda22a79.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/4d753e8372af00fd81dbd6d69e1ecbec.webp">
题目5单选题
<img src="https://tihai-oss-cloud.itihey.com/img/2d63c645b9fc30bb121da9a7dab9a8f4.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/56dc230ba14a9a6583c63a469ce5ca7b.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6d2be1c0fc8a8b70992ff069e29d20e8.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/4e71f018f8399fb06019e657736c3a14.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/da1ef982f130594edb3f61b23d8146b2.png">
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/5bc8feb4e2e2e00135c048a120f5ec16.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/c19e09c82a328ca1aa599bb6411c7bba.png"><br>B. <img src="https://tihai-oss-cloud.itihey.com/img/5fd6be6a37fe88926e9e80c0d43b823f.png"><br>C. <img src="https://tihai-oss-cloud.itihey.com/img/b4facda9d5fd923723eab5908bbfbc78.png"><br>D. <img src="https://tihai-oss-cloud.itihey.com/img/0c78f0728999d14bfa5fff95716d5a18.png"><br>
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/341b6b8bb1a13cb6340c270aea83e638.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/e7a905b250630a49ae938b2f278e7646.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/4931ed8be6b717bde7e091e801f3d2b9.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/41beb98fdb30a822c746486c74d6fc58.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a7f8bb72a0e58a2109f33d9062abb0d3.png">
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/c564ba373eb7f23ae5832488c9cc036c.png">A. 2B. 1C. -1D. -2
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/2575247f66c98b9bd9863a4efcd0c1a0.png">A. 1B. eC. -1D. <img src="https://tihai-oss-cloud.itihey.com/img/24a7bf85e92dfaf65259c8acd83afee3.png">
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/3cb4a82b425aa0ac51fc2ae235982780.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/3a336c1bc005193df8b156b3d910ebbb.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/837c19bf15e12855a30d1e48aa691322.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ac68b1a31926b720dfb32437bdf291da.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/edc0ca68b602f6caf052b9959d9f6718.png">
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