Page 9 - 七年级历史精讲精练（初稿）
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14 30 40-0 50-6
39 39.% 7% 79% .6% 419%
A. B.
C. D.
1.
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2.
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3. 70 -20
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4.1929
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1.
4
1
2
3
2.
1
8
