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期中自评一.1.10000100000002.百万103.3500350004.9090005.6024508991006.0-45-97.4993008.449.3990010.432043200864 11.6412.161003610013.2109014.3600二.1.10012042820 1200 9000240045002.413120020420038571113022800三、 1. C 2. C 3. B 4. C 5. C 6. B E D四、 1.√ 2. √ 3. √ 4. × 5.×五.图略六、 1. 258×30＝77  | 