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核心素养测评(时间:45分钟分值:90分)【基础过关练】一、单选题1.(5分)已知a=(2,3,-4),b=(-4,-3,-2),b=12c-2a,则c=()A.(0,3,-6)B.(0,6,-20)C... 2025-11-201883310.5 KB14页127
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