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ǰλãҳ > 初中数学北师大版七年级上学期 第一?1.2 展开与折叠C?- 百度文库

初中数学北师大版七年级上学期 第一?1.2 展开与折叠C?- 百度文库

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9. 2֣ (2017ʤģ) ͼ۳һĺӣۺú롰СԵǣ

A . ף B . C . ˳ D .

10. 2֣ (2019ϡĩ) ӲֽƬȥӰֺ۵Χһյijװеǣ

A .

B .

C .

D .

11. 2֣ (2018ϡĩ) ͼһıչͼԭ롰ڵԵǣ

5 ҳ 8 ҳ

A . B . C . D .

(1⣻1)

12. 1֣ (2019ϡ) һıչͼͼʾÿһ϶һ֣ҸֻΪ(yz)xֵΪ ________

ۺ (2⣻20)

13. 10֣ (2018ϡ¿) ֪ͼΪһͼ

1 дƣ 2 ⻭һֱչͼ

3 ͼijΪ10cmͼεı߳Ϊ4cmIJ

6 ҳ 8 ҳ

14. 10֣ (2018ϡˮĩ) ͼһʳƷװеıչͼ.

1 дװеļƣ

2 ͼߴ磬abʾȫS֮ͣ㵱a=1b=4ʱSֵ.

7 ҳ 8 ҳ

ο

һ ѡ (11⣻22)

1𰸣 2𰸣 3𰸣 4𰸣 5𰸣 6𰸣 7𰸣 8𰸣 9𰸣 10𰸣 11𰸣

(1⣻1)

12𰸣

ۺ (2⣻20)

13𰸣 14𰸣

8 ҳ 8 ҳ

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9. 2֣ (2017ʤģ) ͼ۳һĺӣۺú롰СԵǣ A . ף B . C . ˳ D . 10. 2֣ (2019ϡĩ) ӲֽƬȥӰֺ۵Χһյijװеǣ A . B . C . D . 11. 2֣ (2018ϡĩ) ͼһıչͼԭ롰ڵԵǣ 5 ҳ 8 ҳ A . B . C . D .

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