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빈 칸에 알맞은 수를 넣으세요.
1
8 × 12 - 9 - 15 + 6 = 96 -9 -15 +6 = 87 -15 +6 = 72 +6 = 78 2
6 + 2 + 10 × 9 - 6 =++- =+- =- = 3
10 + 9 × 6 + 4 - 15 =++- =+- =- = 4
11 + 5 × 11 - 12 - 12 =+-- =-- =- = 5
2 × 12 - 11 + 4 - 5 =-+- =+- =- = 6
9 + 9 × 6 - 9 + 10 =+-+ =-+ =+ = 7
4 + 12 × 14 - 11 - 15 =+-- =-- =- = 8
7 × 5 + 12 - 11 - 8 =+-- =-- =- = |