대전탄방중학교 중2 2023년 1학기 중간고사
수학 기출 시험지

1.

• ① $7$
• ② $11$
• ③ $13$
• ④ $17$
• ⑤ $19$

2.

• ① $0.\dot{2}$
• ② $0.\dot{2}\dot{5}$
• ③ $0.2\dot{7}$
• ④ $0.\dot{2}\dot{7}$
• ⑤ $0.\dot{2}\dot{9}$

3.

• ① $0.\dot{2}$
• ② $0.\dot{2}\dot{0}$
• ③ $0.\dot{2}\dot{1}$
• ④ $0.\dot{2}\dot{3}$
• ⑤ $0.\dot{2}\dot{4}$

4.

• ① $(a^2{)}^3$
• ② $a^8÷a^2$
• ③ $a^2\times a^3\times a$
• ④ $a^{10}÷a\times a^3$
• ⑤ $a^5\times a^4÷a^3$

5.

• ① ㄱ, ㄴ
• ② ㄱ, ㅂ
• ③ ㄴ, ㅁ
• ④ ㄱ, ㄹ, ㅂ
• ⑤ ㄹ, ㅁ, ㅂ

6.

• ① $3x+y$
• ② $3x+y-4$
• ③ $2x-3y+1$
• ④ $2x+3y-1$
• ⑤ $3x+2y-1$