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빈 칸에 알맞은 수를 넣으세요.
1
12 × 2 + 13 - 13 - 14 = 24 +13 -13 -14 = 37 -13 -14 = 24 -14 = 10 2
10 + 5 × 7 × 15 - 9 =+×- =+- =- = 3
10 × 3 + 8 + 13 - 6 =++- =+- =- = 4
7 × 11 - 10 + 15 - 14 =-+- =+- =- = 5
8 × 3 × 10 - 15 + 7 =×-+ =-+ =+ = 6
8 × 6 + 7 - 5 - 3 =+-- =-- =- = 7
15 × 3 + 6 - 12 - 13 =+-- =-- =- = 8
12 + 13 × 14 + 6 - 3 =++- =+- =- = |