2025年大同市中考适应性测试数学答案
数学答案第1页共5页2025年大同市中考适应性测试数学参考答案及评分标准一、选择题（本题30分）题号12345678910答案DBBCCACBDC二、填空题（本题15分）11.x(x+2)(x-2)12.15013.2514.1yx15.7109三、解答题（共75分）16.（本题10分）解：（1)原式=2×22+1−2−1+2····················································4分=2+1-2+1+2=4····································································...
2025-04-15
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