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빈 칸에 알맞은 수를 넣으세요.
1
6 + 10 × 8 × 7 - 2 = 6 +80 ×7 -2 = 6 +560 -2 = 566 -2 = 564 2
8 + 10 × 12 + 7 - 13 =++- =+- =- = 3
14 + 6 × 10 - 8 - 11 =+-- =-- =- = 4
10 - 8 + 2 × 13 + 10 =-++ =++ =+ = 5
6 - 2 + 2 × 3 - 2 =-+- =+- =- = 6
13 + 15 + 10 × 14 - 15 =++- =+- =- = 7
3 × 3 - 5 + 8 - 6 =-+- =+- =- = 8
7 + 8 × 15 × 9 - 8 =+×- =+- =- = |